Zac Gallen

Zac Gallen

28-Year-Old PitcherSP
Arizona Diamondbacks
2024 Fantasy Outlook
Gallen had a fantastic season and received some deserved votes for the Cy Young Award as he helped carry the Diamondbacks to their improbable World Series run. Most of his performance indicators were right in line with 2022 but better run support helped raise his wins while a near full-run jump in his ERA can be excused by the BABIP regression which we expected would come after his rather fortunate .237 BABIP in 2022. Simply put, there is not a performance issue to be concerned with as much as a workload concern. Gallen ended up throwing 243.2 innings in 2023, which was almost exactly double what he threw just two seasons ago. He managed a 52% increase in workload just fine from 2021 to 2022, but now we add another 32% increase in workload along with the stress of working in the postseason for the first time and we cannot help but wonder about the impact of that for 2024. 2023 was an excellent season, but it would not surprise us to see Gallen take a step back this season. Read Past Outlooks
RANKS
Rest of Season From Preseason
#43
ADP
$Signed a one-year, $10.01 million contract with the Diamondbacks in January of 2024.
Suffers first loss since return
PArizona Diamondbacks
July 10, 2024
Gallen (6-5) took the loss Tuesday against Atlanta, allowing five runs (four earned) on seven hits and a walk while striking out four over 5.1 innings.
ANALYSIS
Gallen needed 53 pitches just to get through the first two innings, which is the most for him in a start this year. Atlanta pushed two runs across on him in the second, though one came off an error. Gallen then tossed three scoreless frames before coming back out for the sixth, and faltered there, allowing two men on before Adam Duvall crushed a curveball 441 feet to left to put Atlanta up 5-0 and end Gallen's night at 105 pitches. The home run was just the third Gallen's given up in his last seven starts (excluding his May 30 start when he exited the game after one batter). The 28-year-old owns a 3.33 ERA, 1.14 WHIP and 75:20 K:BB in 73 innings and lines up for one final start before the All-Star break against Toronto this weekend.
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Pitching Stats
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2024
2023
2022
2021
2020
2019
2024 MLB Game Log
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2023 MLB Game Log
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2022 MLB Game Log
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2021 MLB Game Log
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2020 MLB Game Log
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Pitching Appearances Breakdown
Average Pitch Count
83
Last 10 Games
77
Last 5 Games
69
How many pitches does Zac Gallen 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 Zac Gallen 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 2022
 
 
-12%
BAA vs LHP
2024
 
 
-12%
BAA vs LHP
2023
 
 
-5%
BAA vs RHP
2022
 
 
-34%
BAA vs LHP
BAA Batters K BB H 2B 3B HR
Since 2022vs Left .205 894 234 62 169 32 5 26
Since 2022vs Right .233 981 254 53 212 57 2 19
2024vs Left .230 145 31 10 31 5 3 5
2024vs Right .261 170 45 11 41 10 0 3
2023vs Left .244 411 106 26 93 15 2 14
2023vs Right .232 435 114 21 95 27 1 8
2022vs Left .146 338 97 26 45 12 0 7
2022vs Right .222 376 95 21 76 20 1 8
More Splits View More Split Stats
Home/Away Pitching Splits
Since 2022
 
 
-29%
ERA at Home
2024
 
 
-28%
ERA at Home
2023
 
 
-44%
ERA at Home
2022
 
 
-4%
ERA at Home
ERA WHIP IP W L SV K/9 BB/9 HR/9
Since 2022Home 2.65 0.99 238.0 22 7 0 9.6 1.9 0.6
Since 2022Away 3.71 1.12 232.2 13 11 0 9.1 2.5 1.1
2024Home 3.35 1.16 45.2 4 3 0 8.5 2.2 0.6
2024Away 4.65 1.29 31.0 2 2 0 9.6 2.9 1.5
2023Home 2.47 1.03 102.0 12 3 0 10.6 1.6 0.6
2023Away 4.42 1.20 108.0 5 6 0 8.3 2.4 1.3
2022Home 2.49 0.85 90.1 6 1 0 9.0 2.1 0.6
2022Away 2.59 0.97 93.2 6 3 0 9.8 2.5 0.9
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Stat Review
How does Zac Gallen 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
3.62
 
K/9
8.9
 
BB/9
2.5
 
HR/9
0.9
 
Fastball
93.4 mph
 
ERA
3.87
 
WHIP
1.21
 
BABIP
.313
 
GB/FB
1.61
 
Left On Base
70.9%
 
Exit Velocity
83.8 mph
 
Barrels/BBE
4.7%
 
Spin Rate
2218 rpm
 
Balls Hit 95+ MPH
28.7%
 
Swinging Strike
10.2%
 
Prospect Rankings History
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Defensive Stats
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Stats Vs Today's Lineup
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Recent RotoWire Articles Featuring Zac Gallen See More
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6 days ago
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9 days ago
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12 days ago
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14 days ago
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Mound Musings: Midseason Review – My 2024 “Home” League Pitching Staff
14 days ago
Brad Johnson offers a midseason glimpse into his favorite fantasy league's team and is patiently waiting for Mets pitcher Kodai Senga to make his first start of the season.
Past Fantasy Outlooks
2023
2022
2021
2020
For the first time in his career, Gallen avoided the injury bug, logging 31 starts and 184 innings. He recorded a career best 20.3% K-BB% mark, mostly due to a personal best 6.6% walk rate. Gallen's ratios benefited from a .237 BABIP as well as a 9.1% HR/FB mark. However, even if his 2.54 ERA was achieved with a boost from Lady Luck, Gallen's 3.05 FIP, 3.32 xFIP and 3.32 SIERA are all still excellent, softening the landing when the regression monster rears its ugly head. Gallen's pitch mix didn't change, but he threw his four-seam fastball, slider and curveball a little harder, increasing effectiveness so strikeouts should tick up with continued health. Gallen isn't off the injury concern hook but coming off a healthy season merits fantasy anchor consideration. There is a stigma about drafting pitchers from second-division teams, but the Diamondbacks offense is on the upswing, so wins are on the table.
Gallen endured an injury-riddled first half, beginning with a hairline fracture in his right arm initially thought to be more serious, followed by a sprained right elbow and hamstring strain. He headed into the break with only nine starts. Gallen gathered 14 in the second half, registering a 4.37 ERA and 1.24 WHIP with 90 punch outs in 80.1 innings, but he also walked 18 and surrendered 14 homers in that span. Eight of the homers came on a slider or changeup. Together, he threw those secondary offerings only one-third of the time, so the home run surplus seems more fluky than worrisome. Gallen is still just 26-years-old, so there's plenty of time to regain near-ace status. Last season's injuries provide pause, and his availability for Opening Day is in question due to some offseason shoulder issues. Gallen isn't expected to miss much time if any, but it remains a concern coming off the 2021 injuries If helium floated Gallen out of your range the past couple of seasons, the price is right to get back in, assuming he's healthy.
The Marlins have a good corps of starters, but it looks like they may have let an ace get away when they traded Gallen to Arizona at the 2019 trade deadline. Gallen has been one of the most effective starting pitchers in the game since he broke into the majors that season. A third-round pick in 2016, Gallen has faced 625 batters in the big leagues and pitched to a 2.78 ERA, 1.17 WHIP and 178:61 K:BB. He has a balanced pitch mix, utilizing his four-seamer, cutter, curveball and changeup all at least 16% of the time. His cutter has good horizontal break, his changeup has good downward movement and he can command the ball well in and around the zone. The ERA estimators suggest some performance giveback is imminent and it is best to count on some, though Gallen has routinely outperformed his estimators in pro ball. Remember Chase Field has become a pitchers' park since the humidor was installed.
Gallen impressed in his first glimpse of major-league action with the Marlins last season and was surprisingly traded to the Diamondbacks at the end of July. While the deal means that Gallen is now pitching in the stronger NL West, he also has a more productive offense powering him and a much better defense behind him. Although the right-hander only throws his fastball 92.9 mph on average, he has three strong secondary pitches and plus command. The 24-year-old posted a career-high 171.1 innings between the majors and minors last year before being shut down at the end of September, so workload should not be a major concern for 2020. Gallen may not overpower hitters with his velocity, but he can rack up strikeouts and the ingredients are there for him to take a leap. The hype train has already left the station, however, so know you're going to have to pay full freight if you want to go along for the ride.
More Fantasy News
Lasts four innings in no-decision
PArizona Diamondbacks
July 5, 2024
Gallen did not factor into the decision in a win over the Dodgers on Thursday, allowing three runs on four hits and three walks over four innings. He struck out four.
ANALYSIS
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Triumphant in return
PArizona Diamondbacks
June 29, 2024
Gallen (6-4) allowed a hit and a walk while striking out seven over six shutout innings to earn the win over the Athletics on Saturday.
ANALYSIS
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Reinstated from IL
PArizona Diamondbacks
June 29, 2024
The Diamondbacks reinstated Gallen (hamstring) from the 15-day injured list ahead of his start Saturday versus Oakland.
ANALYSIS
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Confirmed for start Saturday
PArizona Diamondbacks
Hamstring
June 28, 2024
The Diamondbacks will reinstate Gallen (hamstring) from the injured list to start Saturday's game against Oakland, Alex Weiner of ArizonaSports.com reports.
ANALYSIS
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Could return Saturday
PArizona Diamondbacks
Hamstring
June 27, 2024
Gallen (hamstring) could be activated from the 15-day injured list to start Saturday against Oakland if he recovers well from Thursday's bullpen session, Alex Weiner of ArizonaSports.com reports.
ANALYSIS
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Latest Fantasy Rumors
Another dominant streak
PArizona Diamondbacks
May 2, 2023
Gallen has thrown 28 consecutive scoreless innings through April 26.
ANALYSIS
Gallen logged 44.1 consecutive scoreless innings in August and September last season, nearly assembling just the 11th scoreless streak of 45.0 innings or more in MLB history. The 27-year-old is pitching in similarly dominant fashion at the moment, with the added bonus of a career-high 36.2 percent strikeout rate. His season ERA now rests at an impressive 2.15.
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