Kyle Seager
Kyle Seager
33-Year-Old Third Baseman3B
Seattle Mariners
2021 Fantasy Outlook
Despite posting a career-low .240 BABIP last season, Seager recorded the third-highest wRC+ (118) of his decade-long MLB career, the product of a .241/.355/.433 slash line. Seager has run very low BABIPs for quite some time now due to his flyball-heavy batted-ball profile, though Statcast still suggests he deserved at least slightly better than he got, giving him a .473 xSLG. While his barrel rate finished at a personal Statcast-era high of 10.2%, his most encouraging improvements came in his plate discipline. His 13.3% strikeout rate and 12.9% walk rate both represented the best marks of his career. Just how much of those gains stick over a full 162-game season remains to be seen, but he should be a useful option in the final year of his seven-year deal, with added upside possible if he gets flipped to a contender with a more hitter-friendly park at the deadline. Read Past Outlooks
RANKSFrom Preseason
#286
ADP
$Signed a seven-year, $100 million contract extension with the Mariners in November of 2014.
Goes deep Friday
3BSeattle Mariners
May 15, 2021
Seager went 1-for-4 with a solo home run in Friday's 7-3 victory versus Cleveland.
ANALYSIS
The veteran third baseman put Seattle on the board with a solo shot in the first inning. The long ball was his eighth of the campaign and accounted for his 27th RBI. Those numbers help make up for a relatively paltry .233 batting average.
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Batting Stats
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2021
2020
2019
2018
2017
2021 MLB Game Log
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2020 MLB Game Log
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2019 MLB Game Log
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2018 MLB Game Log
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Batting Order Slot Breakdown
vs Right-Handed Pitchers
vs RHP
#1
#2
#3
#4
#5
#6
#7
#8
#9
1
29
2
vs Left-Handed Pitchers
vs LHP
#1
#2
#3
#4
#5
#6
#7
#8
#9
9
1
Left/Right Batting Splits
Since 2019
 
 
+3%
OPS vs LHP
2021
 
 
+40%
OPS vs RHP
2020
 
 
+32%
OPS vs RHP
2019
 
 
+33%
OPS vs LHP
OPS PA R HR RBI SB AVG OBP SLG
Since 2019vs Left .805 267 28 15 40 2 .246 .322 .483
Since 2019vs Right .781 594 77 25 90 6 .235 .332 .449
2021vs Left .594 46 1 1 4 0 .214 .261 .333
2021vs Right .829 128 14 7 23 1 .232 .320 .509
2020vs Left .659 74 8 3 11 2 .188 .284 .375
2020vs Right .868 170 27 6 29 3 .274 .394 .474
2019vs Left .945 147 19 11 25 0 .285 .361 .585
2019vs Right .711 296 36 12 38 2 .217 .301 .411
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Home/Away Batting Splits
Since 2019
 
 
+16%
OPS on Road
2021
 
 
+91%
OPS on Road
2020
 
 
+22%
OPS at Home
2019
 
 
+14%
OPS on Road
OPS PA R HR RBI SB AVG OBP SLG
Since 2019Home .721 408 48 16 53 2 .218 .314 .407
Since 2019Away .834 449 56 24 75 6 .250 .336 .497
2021Home .529 89 7 2 8 0 .154 .247 .282
2021Away 1.009 85 8 6 19 1 .303 .365 .645
2020Home .869 88 15 4 16 1 .257 .398 .471
2020Away .714 152 19 5 22 4 .216 .322 .392
2019Home .739 231 26 10 29 1 .228 .307 .432
2019Away .843 212 29 13 34 1 .251 .335 .508
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Stat Review
How does Kyle Seager compare to other hitters?
This section compares his stats with all batting seasons from the previous three seasons (minimum 400 plate appearances)*. The bar represents the player's percentile rank. For example, if the bar is halfway across, then the player falls into the 50th percentile for that stat and it would be considered average.

* Exit Velocity and Barrels/PA % are benchmarked against 2019 data (min 400 PA) and Hard Hit Rate is benchmarked against last season's data (min 400 PA). See here for more exit velocity/barrels stats plus an explanation of current limitations with that data set.
  • BB/K
    Walk to strikeout ratio
  • BB Rate
    The percentage of plate appearances resulting in a walk.
  • K Rate
    The percentage of plate appearances resulting in a strikeout.
  • BABIP
    Batting average on balls in play. Measures how many of a batter’s balls in play go for hits.
  • ISO
    Isolated Power. Slugging percentage minus batting average. A computation used to measure a batter's raw power.
  • AVG
    Batting average. Hits divided by at bats.
  • OBP
    On Base Percentage. A measure of how often a batters reaches base. Roughly equal to number of times on base divided by plate appearances.
  • SLG
    Slugging Percentage. A measure of the batting productivity of a hitter. It is calculated as total bases divided by at bats.
  • OPS
    On base plus slugging. THe sum of a batter's on-base percentage and slugging percentage.
  • wOBA
    Weighted on-base average. Measures a player's overall offensive contributions per plate appearance. wOBA combines all the different aspects of hitting into one metric, weighting each of them in proportion to their actual run value.
  • Exit Velocity
    The speed of the baseball as it comes off the bat, immediately after a batter makes contact.
  • Hard Hit Rate
    A measure of contact quality from Sports Info Solutions. This stat explains what percentage of batted balls were hit hard vs. medium or soft.
  • Barrels/PA
    The percentage of plate appearances where a batter had a batted ball classified as a Barrel. A Barrel is a batted ball with similar exit velocity and launch angle to past ones that led to a minimum .500 batting average and 1.500 slugging percentage.
BB/K
0.44
 
BB Rate
9.2%
 
K Rate
20.7%
 
BABIP
.241
 
ISO
.234
 
AVG
.227
 
OBP
.305
 
SLG
.461
 
OPS
.766
 
wOBA
.332
 
Exit Velocity
82.1 mph
 
Hard Hit Rate
42.5%
 
Barrels/PA
11.2%
 
Advanced Batting Stats
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Additional Stats
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Defensive Stats
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Batted Ball Stats
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Stats Vs Upcoming Pitchers
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Recent RotoWire Articles Featuring Kyle Seager
FanDuel MLB: Saturday Targets
10 days ago
With a plethora of offensive choices in tonight's seven-game slate, Chris Bennett likes Carson Kelly against the Mets.
The Z Files: Early Season Power Targets
10 days ago
Todd Zola takes a look at early-season data on average flyball exit velocity and distance and thinks there is a power surge in C.J. Cron's future.
FanDuel MLB: Friday Targets
11 days ago
Chris Bennett checks in with his best recommendations for a whopping 14-game Friday slate, turning to veteran Twins slugger Nelson Cruz against Detroit.
Collette Calls: Hiurastics
12 days ago
Jason Collette looks at the shortcomings of Keston Hiura and whether fantasy managers should have given them more credence entering the season.
DraftKings MLB: Tuesday Breakdown
14 days ago
Mike Barner previews Tuesday’s DraftKings slate, recommending a Mariners stack against Baltimore.
Past Fantasy Outlooks
2020
2019
2018
2017
2016
2015
2014
2013
2012
Much like his younger brother Corey, Kyle missed time due to injury in 2019. The elder Seager injured his hand in spring training, and did not begin the regular season until May 25. There is always a worry about power returning with hand-area injuries, and Seager's .203/.288/.371 slash line heading into the break did nothing to alleviate those concerns. The .260/.339/.524 line with 17 homers after the break was the type of production most owners had hoped they would get out of the slugger last season with the new baseball in play. His overall skills have been rather consistent the past few years, although the increase in walks this past season seemed to be more about opponents pitching around him to face a weaker option in the lineup than any newfound zone discipline skills. Last season marked the first time Seager missed major time with injury, and was his eighth consecutive season with 20 or more homers.
We'll start with the good: for the seventh consecutive season, Seager reached 154 games played, 630 plate appearances and 20 homers. Now the bad: he graded out as below league average (84 wRC+) for the first time during that seven-year stretch, as his strikeout rate jumped five percentage points to 21.9%, his walk rate fell to a career-low 6.0% and his line against righties fell to .208/.257/.401. That was down from .249/.328/.448 in 2017 and .307/.394/.538 in 2016 -- a sharp, sudden decline against opposite-handed pitching. Statcast says he deserved better (.249 xBA, .420 xSLG), and just by staying on the field and accumulating, he ensured that fantasy owners didn't take too big of a hit on a top-150 draft-day price. That volume should be there again in 2019, theoretically, as he's signed with the Mariners through at least 2021, but as the saying goes, "players are durable until they're not."
After displaying incremental growth as a hitter in each of his first six big-league seasons, culminating in a career-best .858 OPS in 2016, Seager finally noticed a backslide last season. While his slugging percentage slipped a bit, it was the third baseman's batting average and OBP that took more significant hits, due largely to a 51.6% flyball rate that suppressed his BABIP. Though Seager excels at generating hard contact, he has put the ball in the air at a high rate throughout his career, making it difficult to rely on him as anything more than a neutral asset in batting average. As a result, Seager's power numbers will continue to drive his value, which doesn't make him an overly unique commodity in an era of heightened home-run production. That being said, Seager probably offers a little more reliability than many of the other 25-to-30-homer bats out there, given that he hasn't missed more than eight games in any of his six full seasons in the majors.
Little brother Corey took most of the headlines, but after 2016, Kyle has increased his home run total in each major-league season, backed up with flyball rates of over 40 percent each year. He ranked in the top 25 with a 38.7 percent hard-contact rate, though because he hits so many balls in the air, it hasn't translated to anything close to a .300 batting average. A career-best 10.2 percent walk rate from last year enabled him to emerge as surprising OBP asset in those formats. Even though he is not a batting average anchor, he is incredibly safe in that department, as his contact rate hasn't fallen below 82.4 percent in any year. He's an increasingly stable player (155-plus games played in the last five years), sitting near the top shelf of a suddenly deep position, himself in position to drive in plenty of runs for the surprisingly tasty Seattle lineup. Last year might've marked his peak, and his ceiling falls a bit short of other top-10 third basemen. Still, even if he's plateaued, he's achieved a profile worth a strong investment.
Seager quietly had a career year in 2015. He finished in the top five among AL third basemen in most batting categories (top 3 in runs, hits, XBH, LD%, etc.), swatting at least 20 homers for the fourth consecutive season with a career-high 26. He cut his strikeout rate to a career-low 14.3% and posted career highs in line-drive (26.5%) and contact rates (84%). His batting average was only two points off 2014's career high despite a BABIP nearly 20 points lower. The one area he struggled in was batting with was runners in scoring position, as in nearly the same number of at-bats as 2014, he drove in 22 fewer runners due to a .179/.289/.317 RISP line (.301/.356/.479 in 2014). Perhaps he saw fewer pitches to hit because of a lack of protection behind him. A better lineup this season could solve that and give him more opportunities to collect counting stats.
Seager hit a career-high 25 homers, drove in nearly 100 runs, made the All-Star team and won a Gold Glove last season. The Mariners promptly extended him for seven years and $100 million. Seager's big year started rather inauspiciously as he was hitting .156 with zero homers and zero RBI on April 22. He quickly put the early slump behind him, though, batting .281/.341/.483 the rest of the way. Among third basemen, his .186 ISO was second only to Josh Donaldson, as was his RBI total. And only Donaldson and Todd Frazier hit more home runs. Seager appears to have solved pitcher-friendly Safeco Field, batting .300/.370/.523 at the park last season. Even if there's some regression at home, he has room to grow on the road where his OPS dropped nearly 150 points from 2013. The Mariners overpaid to buy out Seager's arbitration years, but when the 27-year-old hits the back half of his contract, it likely will be a bargain.
Seager continues to be one of the few positives on the roster and the lone Mariners youngster without major questions dogging him. He proved that 2012 was no fluke by posting remarkably similar stats last year across the board. What's more, he improved his walk rate while his strikeout and contact rates remained strong. Seager played 106 consecutive games at one point, which might have tired him down the stretch, as he slumped in the last six weeks of the season with a .181 average and a .558 OPS. He still finished among the better AL third basemen –- first in steals, fourth in doubles, fifth in homers, fifth in OPS, fifth in ISO. The only place he took a step back was in RBI, with a near 20-run drop thanks to the impotent bats surrounding him in the lineup. After two solid years, it wouldn't surprise if Seager took another step this season.
Seager's emergence as a legitimate everyday player was one of the few positives among Seattle's youngsters last year. Seager played a dependable third base and became the first Mariner since 2009 to hit 20 homers in a season. He quietly ranked second among AL third basemen in doubles, third in RBI and stolen bases, fourth in hits and home runs and fifth in walks. He also ranked third in baseball with 44 two-out RBI. His OPS was 200 points higher on the road last season, but moving the fences in at Safeco Field should help. The only flaw in his game seems to be his ability to handle left-handing pitching, against which he struggled (.237/.281/.377) for the second year in row. He has time to figure that out, though, because third base is a wasteland for the organization. Barring an offseason move, Seager is entrenched at the position.
Seager flew up the charts last season, and entering spring training he's the closest thing the Mariners have to a third baseman. After hitting .312 at Double-A Jackson and then .387 at Triple-A Tacoma (with a 1.029 OPS), Seager took over the hot corner from a struggling Chone Figgins. Seager hit only .258 but showed good plate discipline, as he had in the minors, and his bat heated up down the stretch too. Unless the Mariners bring in a free agent, it appears the third-base job is Seager's to lose. Figgins is unlikely to get the job back (if he even stays with the team) and the only other competition is the inferior Alex Liddi. Seager had trouble with left-handed pitching last year, though – his OPS vs. southpaws was .570 with no extra-base hits. Acquiring a platoon partner might be in store for Seager.
More Fantasy News
Launches seventh homer
3BSeattle Mariners
May 12, 2021
Seager went 1-for-4 with a two-run home run in a loss to the Dodgers on Tuesday.
ANALYSIS
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Smashes solo shot
3BSeattle Mariners
May 8, 2021
Seager went 2-for-4 with a solo home run in Saturday's loss to the Rangers.
ANALYSIS
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Two RBI in win
3BSeattle Mariners
May 4, 2021
Seager went 1-for-3 with a solo home run, a sacrifice fly and a strikeout in Seattle's 5-2 victory over Baltimore on Tuesday.
ANALYSIS
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Only bright spot in shutout loss
3BSeattle Mariners
April 28, 2021
Seager went 2-for-4 with a double in a loss to the Astros on Tuesday.
ANALYSIS
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Launches fourth homer in loss
3BSeattle Mariners
April 26, 2021
Seager went 2-for-4 with a solo home run during Monday's loss to the Astros.
ANALYSIS
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