Zach Jackson

Zach Jackson

28-Year-Old PitcherRP
Oakland Athletics
2023 Fantasy Outlook
After walking 5.6 batters per nine innings across five minor-league seasons, Jackson's 16.3% walk rate as a rookie was no surprise. In fact, it was the worst walk percentage among relievers who pitched at least 40 innings. However, the 28-year-old still managed to put together a solid campaign, compiling a 3.00 ERA (2.77 FIP), 1.27 WHIP and 67 strikeouts across 48 innings. He only gave up one home run all season (0.2 HR/9) and was effective against both right-handed (.188 BA) and lefty swingers (.143). Jackson quickly earned a high-leverage role for the A's, finishing finishing 2nd in the American League and 4th overall with 26 holds. A strained shoulder ended his season in August, but he's expected to be ready for camp and reclaim his role as the A's primary setup man. Read Past Outlooks
RANKS
#590
ADP
$Signed a one-year contract with the Athletics in March of 2022.
Control issues in spring
POakland Athletics
March 20, 2023
Jackson sports a 1-0 record, 4.50 ERA and 2.17 WHIP across six innings in six Cactus League appearances.
ANALYSIS
The right-hander was a highly valuable bullpen asset as a rookie in 2022 before ending the season on the injured list with a shoulder strain, producing a 2-3 record, 27 holds, three saves and a 3.00 ERA across 54 appearances. Jackson has experienced some control issues as he works off rust this spring, however, issuing multiple walks in three appearances. Nevertheless, the 28-year-old impressively managed to avoid any damage until his most recent outing Saturday against the Reds, when he allowed his only three runs of Cactus League play thus far across just one-third of an inning.
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Pitching Stats
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2022
2022 MLB Game Log
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Pitching Appearances Breakdown
Average Pitch Count
16
Last 10 Games
16
Last 5 Games
18
How many pitches does Zach Jackson 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 Zach Jackson 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 2020
 
 
-24%
BAA vs LHP
2022
 
 
-24%
BAA vs LHP
2021
No Stats
2020
No Stats
BAA Batters K BB H 2B 3B HR
Since 2020vs Left .143 80 26 15 9 2 0 1
Since 2020vs Right .188 122 41 18 19 5 0 0
2022vs Left .143 80 26 15 9 2 0 1
2022vs Right .188 122 41 18 19 5 0 0
2021vs Left 0 0 0 0 0 0 0 0
2021vs Right 0 0 0 0 0 0 0 0
2020vs Left 0 0 0 0 0 0 0 0
2020vs Right 0 0 0 0 0 0 0 0
More Splits View More Split Stats
Home/Away Pitching Splits
Since 2020
 
 
-45%
ERA on Road
2022
 
 
-45%
ERA on Road
2021
No Stats
2020
No Stats
ERA WHIP IP W L SV K/9 BB/9 HR/9
Since 2020Home 3.91 1.35 23.0 1 2 2 12.9 6.3 0.0
Since 2020Away 2.16 1.20 25.0 1 1 1 12.2 6.1 0.4
2022Home 3.91 1.35 23.0 1 2 2 12.9 6.3 0.0
2022Away 2.16 1.20 25.0 1 1 1 12.2 6.1 0.4
2021Home 0 0 0 0 0 0 0 0 0
2021Away 0 0 0 0 0 0 0 0 0
2020Home 0 0 0 0 0 0 0 0 0
2020Away 0 0 0 0 0 0 0 0 0
More Splits View More Split Stats
Stat Review
How does Zach Jackson compare to other relievers?
This section compares his stats with all relief pitcher seasons from the previous three seasons (minimum 30 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 30 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
2.03
 
K/9
12.6
 
BB/9
6.2
 
HR/9
0.2
 
Fastball
94.5 mph
 
ERA
3.00
 
WHIP
1.27
 
BABIP
.283
 
GB/FB
0.55
 
Left On Base
72.1%
 
Exit Velocity
81.0 mph
 
Barrels/BBE
5.6%
 
Spin Rate
2231 rpm
 
Balls Hit 95+ MPH
24.4%
 
Swinging Strike
12.1%
 
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 Zach Jackson See More
Spring Training Job Battles: American League
25 days ago
Erik Halterman breaks down the competition for AL jobs, including in Minnesota where Nick Gordon likely will spend time at several spots around the diamond this season.
Mound Musings: A Look at Pitching in the AL West
40 days ago
Mound Musings is back for the season and Brad Johnson takes a look at AL West pitching, starting in Houston where a breakout year for Framber Valdez in 2022 offers hope to a lineup in flux.
More Fantasy News
Looks ready for spring debut
POakland Athletics
February 27, 2023
Jackson (shoulder) is listed as an available option out of the Oakland bullpen for Monday's Cactus League game against the Rockies, Matt Kawahara of the San Francisco Chronicle reports.
ANALYSIS
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Likely done for season
POakland Athletics
Shoulder
September 20, 2022
A's manager Mark Kotsay said Tuesday it's unlikely that Jackson (shoulder) will pitch again this season, Martin Gallegos of MLB.com reports.
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MRI reveals strain
POakland Athletics
Shoulder
September 4, 2022
Jackson's recent MRI revealed a shoulder strain, and he's expected to rest all of next week before likely embarking on a rehab assignment, the team's official site reports.
ANALYSIS
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Out with shoulder inflammation
POakland Athletics
Shoulder
August 30, 2022
Jackson was placed on the 15-day injured list Tuesday with right shoulder inflammation.
ANALYSIS
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Earns third save
POakland Athletics
August 4, 2022
Jackson recorded a save Wednesday against the Angels, tossing a perfect frame during which he struck out two batters.
ANALYSIS
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