Luke Weaver
Luke Weaver
26-Year-Old PitcherSP
Arizona Diamondbacks
2020 Fantasy Outlook
Weaver was pitching extremely well in 2019 before he went down in late May with forearm tightness, which held him out for all but two innings the rest of the season. Weaver emphasized his cutter in 2019 to give him a more effective third pitch, and saw a resurgence in his strikeout rate and a stat line that looked a lot closer to his 2017 promise than his 2018 disappointment. Those worried about the forearm issue should take solace in watching what Tyler Glasnow did last year. Both pitchers were shut down with similar issues, yet Glasnow came back late in the season and was throwing darts in the postseason as if he hadn't missed a beat. Weaver's lack of work after the injury may hold down his cost on draft day, and where you take him should depend on your appetite for risks. The move to Arizona was a good one for him, and he was taking a positive step forward before the injury. Read Past Outlooks
RANKSFrom Preseason
#195
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$Signed a contract with the Cardinals in June of 2014 that includes a $1.843 million signing bonus. Traded to the Diamondbacks in December of 2018.
Short outing planned
PArizona Diamondbacks
August 8, 2020
The decision to pull Weaver after three innings and 43 pitches in Friday's game against the Padres was planned, Steve Gilbert of MLB.com reports.
ANALYSIS
Seeing the results of Weaver's first two starts provides a reason why manager Torey Lovullo planned to limit the right-hander. In each of the first two outings, Weaver had significant issues in the fourth inning when he faced orders a second time through. The Diamondbacks are looking to turn around a 5-9 start, and in a 60-game season, every game takes on greater import. "This is a game of performance," Lovullo said. "We're evaluating everybody, and we're probably a little bit more aggressive making decisions. This is where it took us today. We weren't winning baseball games, and we were trying to give ourselves the best chance to maneuver, flip a lineup and win a baseball game." Lovullo added that there are no plans to convert Weaver into an opener.
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Pitching Stats
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2020
2019
2018
2017
2020 MLB Game Log
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2019 MLB Game Log
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2018 MLB Game Log
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2017 MLB Game Log
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Pitching Appearances Breakdown
Average Pitch Count
69
Last 10 Games
69
Last 5 Games
69
How many pitches does Luke Weaver generally throw?
 
1-10
 
11-20
 
21-30
 
31-40
 
41-50
 
51-60
 
61-70
 
71-80
 
81-90
 
91-100
 
101-110
 
111-120
 
121+
 
1-10
 
11-20
 
21-30
 
31-40
 
41-50
 
51-60
 
61-70
 
71-80
 
81-90
 
91-100
 
101-110
 
111-120
 
121+
 
1-10
 
11-20
 
21-30
 
31-40
 
41-50
 
51-60
 
61-70
 
71-80
 
81-90
 
91-100
 
101-110
 
111-120
 
121+
What part of the game does Luke Weaver generally pitch?
 
 
 
1st
 
 
 
2nd
 
 
 
3rd
 
 
 
4th
 
 
 
5th
 
 
 
6th
 
 
 
7th
 
 
 
8th
 
 
 
9th
 
Extra
 
 
 
1st
 
 
 
2nd
 
 
 
3rd
 
 
 
4th
 
 
 
5th
 
 
 
6th
 
 
 
7th
 
 
 
8th
 
 
 
9th
 
Extra
 
 
 
1st
 
 
 
2nd
 
 
 
3rd
 
 
 
4th
 
 
 
5th
 
 
 
6th
 
 
 
7th
 
 
 
8th
 
 
 
9th
 
Extra
% Games Reaching Innings Threshold
% Games By Number of Innings Pitched
Left/Right Pitching Splits
Since 2018
 
 
-5%
BAA vs RHP
2020
 
 
-15%
BAA vs LHP
2019
 
 
-2%
BAA vs LHP
2018
 
 
-10%
BAA vs RHP
BAA Batters K BB H 2B 3B HR
Since 2018vs Left .273 491 101 46 119 22 2 17
Since 2018vs Right .259 431 103 28 102 21 4 13
2020vs Left .318 27 9 4 7 1 0 4
2020vs Right .375 26 5 2 9 2 2 1
2019vs Left .225 140 35 8 29 7 0 2
2019vs Right .230 120 34 6 26 9 0 4
2018vs Left .291 324 57 34 83 14 2 11
2018vs Right .261 285 64 20 67 10 2 8
More Splits View More Split Stats
Home/Away Pitching Splits
Since 2018
 
 
-26%
ERA on Road
2020
 
 
-16%
ERA on Road
2019
 
 
-40%
ERA on Road
2018
 
 
-26%
ERA on Road
ERA WHIP IP W L SV K/9 BB/9 HR/9
Since 2018Home 5.47 1.51 97.0 1 8 0 8.3 3.3 1.6
Since 2018Away 4.03 1.31 114.0 10 9 0 9.1 3.0 1.0
2020Home 13.50 2.50 4.0 0 1 0 11.3 6.8 4.5
2020Away 11.37 1.89 6.1 0 2 0 12.8 4.3 4.3
2019Home 3.77 1.15 28.2 0 2 0 8.8 2.2 1.3
2019Away 2.27 1.01 35.2 4 1 0 10.3 1.8 0.5
2018Home 5.74 1.60 64.1 1 5 0 7.8 3.6 1.5
2018Away 4.25 1.40 72.0 6 6 0 8.1 3.5 1.0
More Splits View More Split Stats
Stat Review
How does Luke Weaver compare to other starting pitchers?
This section compares his stats with all starting pitcher seasons from the previous three seasons (minimum 120 innings)*. 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, Barrels/BBE %, Balls Hit 95+ MPH %, and Spin Rate are benchmarked against 2019 data (min 120 IP). See here for more exit velocity/barrels stats plus an explanation of current limitations with that data set.
  • K/BB
    Strikeout to walk ratio.
  • K/9
    Average strikeouts per nine innings.
  • BB/9
    Average walks per nine innings.
  • HR/9
    Average home runs allowed per nine innings.
  • Fastball
    Average fastball velocity.
  • ERA
    Earned run average. The average earned runs allowed per nine innings.
  • WHIP
    Walks plus hits per inning pitched.
  • BABIP
    Batting average on balls in play. Measures how many balls in play against a pitcher go for hits.
  • GB/FB
    Groundball to flyball ratio. The higher the number, the more likely a pitcher is to induce groundballs.
  • Left On Base
    The percentage of base runners that a pitcher strands on base over the course of a season.
  • Exit Velocity
    The speed of the baseball as it comes off the bat, immediately after a batter makes contact.
  • Barrels/BBE
    The percentage of batted ball events resulting in 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.
  • Spin Rate
    Spin Rate is the rate of spin on a baseball after it is released. It is measured in revolutions per minute (rpm).
  • Balls Hit 95+ MPH
    The percentage of batted balls hit that met or exceeded the 95 MPH threshold.
  • Swinging Strike
    The percentage of pitches that result in a swing and a miss.
K/BB
2.33
 
K/9
12.2
 
BB/9
5.2
 
HR/9
4.4
 
Fastball
94.4 mph
 
ERA
12.19
 
WHIP
2.13
 
BABIP
.421
 
GB/FB
0.54
 
Left On Base
53.3%
 
Exit Velocity
84.6 mph
 
Barrels/BBE
10.4%
 
Spin Rate
2188 rpm
 
Balls Hit 95+ MPH
29.2%
 
Swinging Strike
11.5%
 
Advanced Pitching Stats
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Defensive Stats
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Stats Vs Today's Lineup
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Recent RotoWire Articles Featuring Luke Weaver
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16 days ago
Todd Zola ranks starting pitching for the opening weekend of baseball's new season and includes a look ahead to next week.
Past Fantasy Outlooks
2019
2018
2017
2016
2015
Drafted just outside the top 100 last spring, Weaver was one of 2018's bigger disappointments, as he ended the season in a mop-up role. It's probably too early to completely write off the 25-year-old right-hander, who was sent to Arizona as the headliner in the Paul Goldschmidt trade. Weaver's first-pitch strike rate along with his swinging-strike rate were virtually the same as the previous season. However, in 2017 Weaver posted a 28.6% strikeout rate, compared to a 19.9% mark last season, perhaps because the book was out on his shallow repertoire. Whiffs aside, Weaver's control and command slid last season, as he walked more while allowing more homers. He still lacks a quality third pitch (opposing batters slugged .589 against his curveball), and his top two pitches (fastball, changeup) were not as dominant as they needed to be for him to have sustainable success. His upside is limited to a low-innings mid-rotation starter until that pitch mix improves.
Say what you will about a "soft" schedule for Weaver; he was excellent in 2017. The right-hander posted a 2.05 ERA over his first 11 starts, and while a couple of poor performances at the end of the year inflated his overall numbers, Weaver finished with a 3.17 FIP and 2.93 xFIP over 60.1 innings at the big-league level. He averaged 10.7 K/9 and just 2.5 BB/9 -- he had the 28th-best K-BB percentage among 274 pitchers with at least 60 innings. Weaver did well to keep the ball on the ground (49.4 percent GB%) and limit hard contact, resulting in a .287 xwOBA. He is still primarily a fastball-changeup pitcher, but the changeup is a dominant pitch, and his curveball is coming along. The only real concern with Weaver is his workload. He totaled just 138 innings between the majors and minors last year, his highest total as a professional, after throwing 119.1 combined frames in 2016.
Weaver got his first taste of the majors at the latter end of the 2016 season. He pieced together a few rough outings and ended the year with a 5.70 ERA and 1.60 WHIP that was built over nine games (36.1 innings). Lefties were particularly tough for Weaver and they went 23-for-69 (.377) against the 23-year-old. Fortunately for the club, he showed signs of promise and produced a 27 percent strikeout rate in that time. Weaver has shown he's a capable starter in the minors, as he dominated his 12 starts at Double-A Springfield in 2016. Heading into 2017, the Cardinals may have Weaver compete for a spot at the back of their rotation, or could opt to use him from the bullpen as they did at the end of 2016. However, the most likely course of action will be to send him to Triple-A Memphis, where he's only appeared in one game to this point, to keep developing his breaking pitches until he's deemed MLB-ready.
Weaver appears to be a third pitch away from being a No. 3 starter, thanks to a low-90s fastball and a filthy changeup that will work as an out pitch at the highest level. That combination was enough for him to breeze through the pitcher-friendly Florida State League with a 1.62 ERA, 1.11 WHIP, and 88 strikeouts in 105.1 innings. Those numbers rightfully put him squarely on the radar of dynasty league owners, but most reports suggest his curveball lags way behind the rest of his arsenal. Without that third pitch, there is not much to see here, so Weaver should still be seen as a work in progress. Fortunately he is in a competent organization, and at least two years away from the big leagues, so it is OK that he is not a finished product. He will head to Double-A Springfield in 2016, where it should become fairly obvious if he has improved his breaking ball.
The 27th overall selection out of Florida State in the 2014 amateur draft, Weaver is expected to work his way through the Cardinals' system rather quickly and could be competing for a roster spot as soon as 2016. Weaver was only able to log 9.1 professional innings with the club's rookie and High-A affiliates, getting six starts and striking out 12. Expect Weaver to start 2015 in either Low-A or High-A for the Cardinals, possibly finishing the season in Double-A if he pitches well. Weaver has drawn praise as one of the lowest risk pitchers drafted. Fantasy owners still shouldn't expect anything on the MLB level until 2016, with 2017 being the most likely scenario.
More Fantasy News
Gives up two homers
PArizona Diamondbacks
August 7, 2020
Weaver (0-3) was tagged with the loss Friday against the Padres. He allowed two runs on two hits -- both home runs -- and one walk while fanning three across three innings.
ANALYSIS
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Gives up six runs again
PArizona Diamondbacks
August 1, 2020
Weaver (0-2) allowed six runs on seven hits and three walks while striking out five over four innings in a loss to the Dodgers on Saturday.
ANALYSIS
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Mixed results in loss
PArizona Diamondbacks
July 27, 2020
Weaver (0-1) gave up six earned runs on seven hits and two walks while striking out six in 3.1 innings Monday against the Padres. He took the loss.
ANALYSIS
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Nears 50 pitches
PArizona Diamondbacks
July 8, 2020
Weaver pitched three simulated innings against live batters Tuesday, Nick Piecoro of the Arizona Republic reports.
ANALYSIS
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Team monitoring workload
PArizona Diamondbacks
March 10, 2020
Diamondbacks general manager Mike Hazen said the team will be "cognizant" of Weaver's workload early in the season, Nick Piecoro of the Arizona Republic reports.
ANALYSIS
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