Rob Zastryzny

Rob Zastryzny

33-Year-Old PitcherRP
Milwaukee Brewers
15-Day IL
Injury Ribs
Est. Return 7/13/2025
2025 Fantasy Outlook
There was no outlook written for Rob Zastryzny in 2025. Check out the latest news below for more on his current fantasy value.
Signed a one-year contract with the Yankees in February of 2025. Traded to the Brewers in May of 2025.
Placed on 15-day injured list
PMilwaukee Brewers
Undisclosed
July 1, 2025
The Brewers placed Zastryzny on the 15-day injured list Tuesday with a ribs stress reaction, Adam McCalvy of MLB.com reports.
Analysis
The injury will cost Zastryzny at least the next couple weeks of action. Easton McGee has taken his spot on the roster and in the bullpen.
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Pitching Stats
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2025 MLB Game Log
2025
2024
2023
2022
2018
2017
2025 MLB Game Log
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2024 MLB Game Log
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2023 MLB Game Log
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2022 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
14
Last 10 Games
12
Last 5 Games
12
How many pitches does Rob Zastryzny 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 Rob Zastryzny 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 2023
 
 
-38%
BAA vs LHP
2025
 
 
-46%
BAA vs LHP
2024
 
 
-61%
BAA vs LHP
2023
 
 
-27%
BAA vs LHP
BAA Batters K BB H 2B 3B HR
Since 2023vs Left .184 83 22 7 14 1 0 1
Since 2023vs Right .296 94 13 9 24 7 0 3
2025vs Left .148 27 11 0 4 0 0 1
2025vs Right .273 25 4 2 6 1 0 2
2024vs Left .083 14 2 1 1 0 0 0
2024vs Right .214 15 3 0 3 1 0 0
2023vs Left .243 42 9 6 9 1 0 0
2023vs Right .333 54 6 7 15 5 0 1
More Splits View More Split Stats
Home/Away Pitching Splits
Since 2023
 
 
-5%
ERA on Road
2025
 
 
-7%
ERA on Road
2024
 
 
-100%
ERA at Home
2023
 
 
-11%
ERA on Road
ERA WHIP IP W L SV K/9 BB/9 HR/9
Since 2023Home 3.32 1.25 21.2 1 1 0 6.6 2.9 0.8
Since 2023Away 3.15 1.35 20.0 3 0 0 8.6 4.1 0.9
2025Home 2.08 0.92 8.2 1 1 0 10.4 0.0 2.1
2025Away 1.93 0.86 4.2 1 0 0 9.6 3.9 1.9
2024Home 0.00 0.00 2.1 0 0 0 3.9 0.0 0.0
2024Away 1.69 0.94 5.1 1 0 0 6.8 1.7 0.0
2023Home 5.06 1.78 10.2 0 0 0 4.2 5.9 0.0
2023Away 4.50 1.80 10.0 1 0 0 9.0 5.4 0.9
More Splits View More Split Stats
Stat Review
How does Rob Zastryzny 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
7.50
 
K/9
10.1
 
BB/9
1.4
 
HR/9
2.0
 
Fastball
92.2 mph
 
ERA
2.03
 
WHIP
0.90
 
BABIP
.236
 
GB/FB
0.88
 
Left On Base
115.4%
 
Exit Velocity
80.7 mph
 
Barrels/BBE
5.8%
 
Spin Rate
2478 rpm
 
Balls Hit 95+ MPH
19.2%
 
Swinging Strike
15.1%
 
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 Rob Zastryzny See More
Recent RotoWire Articles Featuring Rob Zastryzny See More
2017 Fantasy Outlook
Zastryzny spent much of 2016 in the minors before emerging as a fairly reliable long-relief and lefty specialist during the Cubs' playoff push. He made his debut on Aug. 19 and would go on to post a 1.13 ERA in 11 appearances while also making Chicago’s NLDS and NLCS roster. Zastryzny had fairly extreme platoon splits, as lefties only hit for a .138 BA against him while righties hit .276. Righties also slugged .310 versus Zastryzny while lefties only slugged .138. While his impressive 2016 numbers will likely regress somewhat with a larger sample size, Zastryzny appears to have solidified a role in Chicago's pen next year. In addition to being a lefty-specialist, he also has long-relief capability and while Mike Montgomery will likely get the first crack at filling in Jason Hammel's spot in the rotation, the 24-year-old will also get a chance in spring training to make his case to be the Cubs' fifth starter.
More Fantasy News
No longer opening
PMilwaukee Brewers
May 31, 2025
Zastryzny will be available out of the bullpen Saturday versus Philadelphia, Curt Hogg of the Milwaukee Journal Sentinel reports.
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Working as opener Saturday
PMilwaukee Brewers
May 31, 2025
Zastryzny will serve as the Brewers' opening pitcher for Saturday's game against the Phillies, Curt Hogg of the Milwaukee Journal Sentinel reports.
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Serving as opener Monday
PMilwaukee Brewers
May 19, 2025
Zastryzny will serve as the Brewers' opening pitcher in Monday's game against the Orioles, Adam McCalvy of MLB.com reports.
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Dealt to Milwaukee
PMilwaukee Brewers
May 16, 2025
The Brewers acquired Zastryzny from the Yankees on Friday in exchange for cash and selected him to the active roster.
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Sent to minor-league camp
PNew York Yankees
March 26, 2025
The Yankees reassigned Zastryzny to minor-league camp Saturday.
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