Willi Castro
Willi Castro
24-Year-Old ShortstopSS
Detroit Tigers
2021 Fantasy Outlook
Castro won't hit .349 (or even .300) over a full season. It was encouraging to see a big improvement over the .230 mark posted in 110 PA the year prior, although Castro's 27.1 K% and 85.3 mph average exit velocity don't support a lofty average. A 41.9% groundball rate with 84th percentile speed buoyed an unsustainable .448 BABIP. Plus, an 86.2-mph flyball average exit velocity doesn't back a 20.7% rate on HR/FB. Countering some of the regression will be physical maturation and skills growth as Castro will be just 24 years old as he embarks on his first full campaign. It's curious why Castro only tried one steal after swiping 17 of 21 as a 22-year-old at Triple-A. Shortstop is loaded and deep while Castro has yet to establish a trustworthy baseline. Helping his case is bonus third-base eligibility in many leagues. Read Past Outlooks
RANKSFrom Preseason
#241
ADP
$Signed a one-year contract with the Indians in March of 2018. Traded to the Tigers in July of 2018.
Goes deep in win
SSDetroit Tigers
June 16, 2021
Castro went 2-for-5 with a two-run home run in Wednesday's 6-5 win over Kansas City.
ANALYSIS
The 24-year-old has homered twice in Detroit's three-game sweep of Kansas City. Castro is up to six homers, 24 RBI, 25 runs scored and a pair of stolen bases through 217 plate appearances this year. He's sporting a .219/.282/.367 slash line, but he remains a consistent presence in the lower half of the lineup.
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Batting Stats
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2021
2020
2019
2021 MLB Game Log
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2020 MLB Game Log
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2019 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
8
6
3
2
6
6
6
vs Left-Handed Pitchers
vs LHP
#1
#2
#3
#4
#5
#6
#7
#8
#9
2
3
3
3
3
2
Left/Right Batting Splits
Since 2019
 
 
+3%
OPS vs RHP
2021
 
 
+24%
OPS vs RHP
2020
 
 
+10%
OPS vs LHP
2019
 
 
+31%
OPS vs LHP
OPS PA R HR RBI SB AVG OBP SLG
Since 2019vs Left .710 101 12 2 13 0 .277 .317 .394
Since 2019vs Right .734 366 44 11 43 2 .257 .311 .423
2021vs Left .553 54 4 0 7 0 .235 .259 .294
2021vs Right .683 163 21 6 17 2 .214 .290 .393
2020vs Left 1.005 25 4 1 3 0 .391 .440 .565
2020vs Right .916 115 17 5 21 0 .340 .368 .547
2019vs Left .768 22 4 1 3 0 .250 .318 .450
2019vs Right .588 88 6 0 5 0 .225 .276 .313
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Home/Away Batting Splits
Since 2019
 
 
+10%
OPS at Home
2021
 
 
+2%
OPS at Home
2020
 
 
+15%
OPS at Home
2019
 
 
+70%
OPS at Home
OPS PA R HR RBI SB AVG OBP SLG
Since 2019Home .763 235 30 7 31 1 .276 .323 .439
Since 2019Away .695 232 26 6 25 1 .246 .301 .393
2021Home .655 114 13 3 16 1 .231 .289 .365
2021Away .644 103 12 3 8 1 .207 .275 .370
2020Home 1.012 55 9 3 10 0 .367 .400 .612
2020Away .882 85 12 3 14 0 .338 .369 .513
2019Home .744 66 8 1 5 0 .279 .318 .426
2019Away .438 44 2 0 3 0 .154 .233 .205
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Stat Review
How does Willi Castro 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
0.23
 
BB Rate
6.1%
 
K Rate
26.9%
 
BABIP
.275
 
ISO
.136
 
AVG
.215
 
OBP
.280
 
SLG
.351
 
OPS
.630
 
wOBA
.288
 
Exit Velocity
76.6 mph
 
Hard Hit Rate
21.9%
 
Barrels/PA
2.4%
 
Advanced Batting Stats
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Additional Stats
Games By Position
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 Willi Castro
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32 days ago
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73 days ago
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MLB FAAB Factor: Waiver Pickups of the Week
84 days ago
Jason Shebilske analyzes the top FAAB targets for leagues that begin waiver-wire pickups this week. Mitch Haniger is healthy again and swinging a hot spring bat.
Past Fantasy Outlooks
2020
2019
2018
2017
2016
We've been spoiled by some elite prospects this decade. Now when a prospect struggles initially, we have a tendency to label the player as one thing and mostly write them off. Let's give Castro another shot before we put him out of our collective consciousness. At 22 years old, Castro hit over .300 at Triple-A with 11 homers and 17 steals in 21 attempts. He struck out 21% of the time at that level, but that number jumped to north of 30% in the majors and he recorded only one barrel among 68 batted-ball events. Given the batted-ball numbers, it's reasonable to be skeptical about Castro hitting for the kinds of averages we saw on the farm, but Castro's average sprint speed ranked in the 86th percentile and opportunity should be there on a rebuilding Tigers club. He will compete for a starting role in spring training.
The first half of 2018 was a disappointment, but Castro turned it on after a deadline trade to the Tigers, posting a robust 155 wRC+ in 26 games with Double-A Erie to earn a promotion to Triple-A to close out his age-21 season. Castro does not project to provide a lot of category juice -- he's topped out with 11 home runs and 20 steals, the latter being a generous reflection of his speed. However, he has displayed decent bat-to-ball ability for his age, with his strikeout rate never exceeding 21.9% over a meaningful sample. There's also at least some hope for more power as he matures and fills out his 6-foot-1 frame. Detroit brought in Jordy Mercer as a stopgap at shortstop and Niko Goodrum is seemingly locked in at second base for the time being, so it's difficult to imagine we see Castro debut in 2019. If he builds on his late run at Triple-A, we could see Castro early on in 2020.
Last season was Castro's first year in pro ball as an above-league-average hitter (115 wRC+), but the breakout at High-A in his age-20 season looks legitimate. His 11 homers topped his career total entering the year (10 in 236 games), but his 8.3 percent HR/FB was not alarming, and it simply looks like a young player naturally growing into some pop. He has 64 career steals, but with just slightly above-average speed and a career 66.7 percent success rate, it would be foolish to expect him to steal more than 10 or 12 bases annually in his early years in the majors. Castro cut his pull rate from 50 percent at Low-A to 43.7 percent at High-A, and considering he excels at making contact (17.6 percent strikeout rate), he should be able to continue to hit for fairly high batting averages in the upper levels. He could stick at shortstop, but will likely eventually move to second base or center field if he remains with the Indians.
A switch-hitting shortstop from Puerto Rico, Castro held his own as a 19-year-old at Low-A. Perhaps predictably, he struggled at times to make contact. Castro hit .259 with a .283 OBP in 123 games. He fanned 96 times while drawing just 16 walks. Still, Castro showed an intriguing power/speed combination, smacking seven home runs while swiping 16 bases. The potential for double-digit home runs and stolen bases for a 19-year-old at a middle infield position makes him a prospect to watch. He is built in the same mold as current Indians superstar shortstop Francisco Lindor, though nobody is saying Castro has anywhere near that kind of ceiling. He must refine his approach and exercise more patience at the dish. Castro should start the 2017 campaign at High-A.
Castro, 18, offers a hit-over-power with a little speed offensive profile at shortstop. At 6-foot-1 and 165 pounds, there is room to project a tad more power down the road, but batting average, runs, and steals will be the foundation of his fantasy value. He slashed .264/.304/.330 with one home run and 20 steals (on 27 attempts) in 67 games in the New York-Penn League, where the average player was more than three years his senior. His 10.3% K-rate also demonstrates an advanced ability to make contact, although the fact that he has never posted a BABIP over .295 suggests that contact is often weak. While shortstops with Castro’s profile, such as Erick Aybar, are useful once they reach the big leagues, his lack of double-digit home run power and an ETA of at least 2019 makes him difficult to roster in most formats.
More Fantasy News
Blasts fifth homer in win
SSDetroit Tigers
June 15, 2021
Castro went 1-for-3 with a home run, a walk and two RBI in Monday's 10-3 win over the Royals.
ANALYSIS
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Sitting Friday
SSDetroit Tigers
June 11, 2021
Castro is not in the starting lineup for Friday's game against the White Sox.
ANALYSIS
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Records three hits in losing effort
SSDetroit Tigers
June 5, 2021
Castro went 3-for-3 with a walk and a run scored in Friday's 9-8 loss to the White Sox.
ANALYSIS
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Provides all the offense Thursday
SSDetroit Tigers
June 3, 2021
Castro went 1-for-3 with a walk and a solo home run in Thursday's 4-1 loss to the White Sox.
ANALYSIS
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Sitting Friday
SSDetroit Tigers
May 28, 2021
Castro is not in the lineup Friday against the Yankees, Evan Petzold of the Detroit Free Press reports.
ANALYSIS
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