Rob Zastryzny
Pitcher · Career Stats, Bio & Records (2016-2025)
Rob Zastryzny is a pitcher who has played in Major League Baseball since 2016 for 5 teams, including the Chicago Cubs, a span of 10 seasons. Across 80 career appearances, he has gone 6-1 with a 3.84 ERA and 74 strikeouts. His career Pitcher PIV — Baseball Data Hub's era-adjusted measure of pitching impact — is 279.3.
- W (Wins):
- Games credited to a pitcher whose team took a lead it never surrendered while he was the pitcher of record.
- ERA (Earned Run Average):
- Earned runs allowed per nine innings pitched: (ER × 9) ÷ IP. The primary measure of pitching effectiveness.
- SO (Strikeouts):
- For a batter, times retired on a third strike; for a pitcher, batters retired on a third strike.
- WHIP (Walks and Hits per Inning Pitched):
- Baserunners allowed per inning: (BB + H) ÷ IP. Under 1.00 is elite.
Data updated
- Position
- Pitcher
- Bats / Throws
- R / L
- Height / Weight
- 6'3" / 231 lb
- MLB Debut
- 2016-08-19
- Jersey
- #58
Full name: Robert John Zastryzny
Season-by-Season Pitching
Click a stat to plot it across every season.
| Year | Team | Lg | W | L | G | GS | CG | SHO | SV | IP | H | ER | BB | SO | ERA | Lg ERA | Pitcher PIV |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2016 | CHN | NL | 1 | 0 | 8 | 1 | 0 | 0 | 0 | 16.0 | 12 | 2 | 5 | 17 | 1.12 | 4.19 (+73%) | 820.0 |
| 2017 | CHN | NL | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 13.0 | 19 | 12 | 7 | 11 | 8.31 | 4.36 (-91%) | -309.9 |
| 2018 | CHN | NL | 1 | 0 | 6 | 0 | 0 | 0 | 0 | 5.2 | 6 | 3 | 4 | 3 | 4.76 | — | 0.0 |
| 2022 | NYN | NL | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1.0 | 1 | 1 | 0 | 1 | 9.00 | — | 0.0 |
| 2022 | LAA | AL | 0 | 0 | 5 | 0 | 0 | 0 | 0 | 3.0 | 2 | 2 | 1 | 2 | 6.00 | — | 0.0 |
| 2023 | PIT | NL | 1 | 0 | 21 | 1 | 0 | 0 | 0 | 20.2 | 24 | 11 | 13 | 15 | 4.79 | 4.33 (-11%) | 6.3 |
| 2024 | MIL | NL | 1 | 0 | 9 | 3 | 0 | 0 | 0 | 7.2 | 4 | 1 | 1 | 5 | 1.17 | — | 0.0 |
| 2025 | MIL | NL | 2 | 1 | 26 | 1 | 0 | 0 | 0 | 22.0 | 16 | 6 | 10 | 20 | 2.45 | 4.16 (+41%) | -237.2 |
| Career · 8 seasons | 6 | 1 | 80 | 6 | 0 | 0 | 0 | 89.0 | 84 | 38 | 41 | 74 | 3.84 | — | 279 | ||
Lg columns show the league average for that season, with the player's figure as a percentage above or below it. Career totals the seasons listed above.
Career Batting Statistics
| G | AB | R | H | 2B | 3B | HR | RBI | SB | BB | SO | AVG | OBP | SLG | OPS | PIV |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 80 | 6 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | .167 | .167 | .167 | .333 | 0 |
Career AVG .167 vs. league average .248 across their career seasons — 32.9% below league average.
Career OBP .167 vs. league average .318 across their career seasons — 47.5% below league average.
Career SLG .167 vs. league average .409 across their career seasons — 59.3% below league average.
Career OPS .333 vs. league average .727 across their career seasons — 54.1% below league average.
Season-by-Season Batting
Click a stat to plot it across every season.
| Year | Team | Lg | G | AB | R | H | 2B | 3B | HR | RBI | SB | BB | SO | AVG | Lg AVG | Lg OBP | Lg SLG | Lg OPS | PIV |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2016 | CHN | NL | 8 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | .000 | — | — | — | — | 0.0 |
| 2017 | CHN | NL | 4 | 3 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .333 | — | — | — | — | 0.0 |
| 2018 | CHN | NL | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| 2022 | NYN | NL | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| 2022 | LAA | AL | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| 2023 | PIT | NL | 21 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| 2024 | MIL | NL | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| 2025 | MIL | NL | 26 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| Career · 8 seasons | 80 | 6 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | .167 | — | — | — | — | 0 | ||
Lg columns show the league average for that season, with the player's figure as a percentage above or below it. Career totals the seasons listed above.
Game Log & Splits
View full game log (160 games) →Per-game data from Retrosheet (regular season, through 2025).
Batting — Home / Away
| Split | G | AB | R | H | HR | RBI | AVG |
|---|---|---|---|---|---|---|---|
| Home | 36 | 3 | 0 | 1 | 0 | 0 | .333 |
| Away | 44 | 3 | 0 | 0 | 0 | 0 | .000 |
Pitching — Home / Away
| Split | G | IP | H | ER | BB | SO | ERA |
|---|---|---|---|---|---|---|---|
| Home | 36 | 44.1 | 41 | 20 | 18 | 33 | 4.06 |
| Away | 44 | 44.2 | 43 | 18 | 23 | 41 | 3.63 |
Last 10 Games — Pitching
| Date | Tm | Opp | Dec | IP | H | R | ER | BB | SO | HR |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025-09-27 | MIL | CIN | — | 0.1 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2025-09-22 | MIL | SDP | — | 1.0 | 1 | 1 | 0 | 2 | 0 | 0 |
| 2025-09-21 | MIL | STL | — | 0.2 | 1 | 0 | 0 | 1 | 1 | 0 |
| 2025-09-19 | MIL | STL | — | 0.1 | 3 | 3 | 3 | 0 | 0 | 0 |
| 2025-09-13 | MIL | STL | — | 0.2 | 0 | 0 | 0 | 1 | 0 | 0 |
| 2025-09-12 | MIL | STL | — | 1.0 | 0 | 0 | 0 | 0 | 1 | 0 |
| 2025-09-10 | MIL | TEX | — | 1.0 | 0 | 0 | 0 | 1 | 1 | 0 |
| 2025-09-06 | MIL | PIT | — | 0.1 | 0 | 0 | 0 | 1 | 0 | 0 |
| 2025-09-04 | MIL | PHI | — | 1.1 | 0 | 0 | 0 | 0 | 2 | 0 |
| 2025-09-01 | MIL | PHI | — | 1.0 | 1 | 0 | 0 | 1 | 0 | 0 |
Fielding Statistics
Career Fielding Totals by Position
Season-by-Season Fielding
Career Games by Position
Circle size = games played at each position.
| Position | Games |
|---|---|
| Pitcher | 80 |
Rob Zastryzny: the record in brief
Rob Zastryzny's major league record starts with the debut on August 19, 2016 and remains open, because the career is ongoing. The team column moves through the Chicago Cubs (2016 through 2018), the New York Mets (2022), the Los Angeles Angels of Anaheim (2022), the Pittsburgh Pirates (2023), and the Milwaukee Brewers (2024 to 2025). The bio lists Zastryzny as a pitcher who hit right-handed while throwing left-handed. Height and weight on file: 6-foot-3 and 231 pounds. The birth record reads March 26, 1992, in Edmonton, AB, CAN. The bio lists the given name Robert John.
Zastryzny has pitched in 80 games, starting 6, and owns a 6-1 record and 3.84 ERA. The totals include 74 strikeouts. That 3.84 ERA compares with a 4.18 league average across the same seasons, 8.0% better. In 2016, one of the busiest seasons, Zastryzny posted a 1.12 ERA; the league figure that year was 4.19.
Frequently Asked Questions about Rob Zastryzny
- What years did Rob Zastryzny play?
- Rob Zastryzny played in Major League Baseball from 2016 to 2025.
- Was Rob Zastryzny a pitcher?
- Yes. Rob Zastryzny pitched in the major leagues, recording 6 wins and 74 strikeouts.
- How many home runs did Rob Zastryzny hit?
- Rob Zastryzny hit 0 career home runs with 1 hit.
- What teams has Rob Zastryzny played for?
- Rob Zastryzny has played for 5 teams: the Chicago Cubs (2016–2018), the New York Mets (2022), the Los Angeles Angels of Anaheim (2022), the Pittsburgh Pirates (2023), and the Milwaukee Brewers (2024–2025).
- What are Rob Zastryzny's career stats?
- In 80 games, Rob Zastryzny has gone 6-1 with a 3.84 ERA, 74 strikeouts, and 89.0 innings pitched.
- What position does Rob Zastryzny play?
- Rob Zastryzny plays primarily as a pitcher, the position where he has appeared in the most games.
- How tall is Rob Zastryzny and how much does he weigh?
- Rob Zastryzny is listed at 6 feet 3 inches and 231 pounds.
- What number does Rob Zastryzny wear?
- Rob Zastryzny wears number 58, according to MLB's 2025 roster data.
- What was Rob Zastryzny's career ERA?
- Rob Zastryzny finished with a 3.84 career ERA, going 6-1 with 74 strikeouts.
- How many strikeouts did Rob Zastryzny have?
- Rob Zastryzny recorded 74 career strikeouts.