PHI @ ATLFinal 2-6, Oct 1, 2026
IP 1.0, H 1, R 1, ER 1, BB 0, K 0, HR 1, PC-ST 16-10, ERA 9.00, PC 16
Betting: PHI moneyline lost, run line -1.5 did not cover
BaseballMLBPhiladelphia PhilliesRelief pitcher
Jonathan Bowlan
Stats, career and game logJonathan Bowlan is a relief pitcher for the Philadelphia Phillies in MLB and wears number 52.
97 MLB games125 strikeouts
Updated
About Jonathan Bowlan
Born on December 1, 1996, in Arlington, Tennessee, United States, Jonathan Bowlan is a right-handed relief pitcher for the Philadelphia Phillies and wears number 52. He made his MLB debut on Sep 27, 2023, with the Kansas City Royals. In the 2025 regular season, Bowlan made 1 start for the Kansas City Royals with a 3.86 ERA and 46 strikeouts in 44.1 innings. Through the 2025 season, Bowlan had a 4.32 ERA and 52 strikeouts in 50.0 innings over 37 games.
Bowlan allowed 1 earned run on 1 hit over 1.0 innings in relief in a 6-2 playoff loss at the Atlanta Braves on Oct 1, 2026. Before that, on Sep 17, 2026, he allowed no hits and no earned runs over 0.2 innings, with 2 strikeouts and 1 walk in a 3-0 win at the New York Mets. On Sep 15, 2026, he allowed 1 earned run on 1 hit over 0.2 innings, with 2 strikeouts in a 6-3 loss at the Washington Nationals.
Agatha Research DeskUpdated Oct 8, 2026Season by season97
97 appearances: 96 regular season, 1 postseason appearance. Every MLB appearance of his career, newest season first.
| Season | Team | Games | Starts | IP | K | BB | ERA | WHIP |
|---|---|---|---|---|---|---|---|---|
| 2026 | PHI | 59 | 0 | 56.1 | 73 | 15 | 3.36 | 1.03 |
| 2026 postseason | 1 | 0 | 1.0 | 0 | 0 | 9.00 | 1.00 | |
| 2025 |  KC | 34 | 1 | 44.1 | 46 | 17 | 3.86 | 1.22 |
| 2024 | KC | 1 | 1 | 2.2 | 3 | 3 | 13.50 | 3.38 |
| 2023 | KC | 2 | 1 | 3.0 | 3 | 0 | 3.00 | 1.67 |
| Career | 96 | 3 | 106.1 | 125 | 35 | 3.81 | 1.18 | |
| Career postseason | 1 | 0 | 1.0 | 0 | 0 | 9.00 | 1.00 |
How he is doing now
2026 pitching3.36 ERA56.1 innings, 73 strikeouts, 1.03 WHIP
Phillies88-742026 regular season, 1-2 in the playoffs
Last game1.0 IP, 0 K, 1 EROct 1 at Braves
Injury status
No active flag. Latest report Day-To-Day (54d ago), no longer on the injury report.
Game log, 2026
PHI @ NYMFinal 3-0, Sep 17, 2026
IP 0.2, H 0, R 0, ER 0, BB 1, K 2, HR 0, PC-ST 21-11, ERA 3.36, PC 21
Betting: PHI moneyline won, run line +1.5 covered
PHI @ WSHFinal 3-6, Sep 15, 2026
IP 0.2, H 1, R 1, ER 1, BB 0, K 2, HR 1, PC-ST 11-7, ERA 3.40, PC 11
Betting: PHI moneyline lost, run line -1.5 did not cover
PHI @ ATLFinal 5-6, Sep 11, 2026
IP 1.0, H 2, R 1, ER 1, BB 0, K 1, HR 0, PC-ST 21-14, ERA 3.27, PC 21
Betting: PHI moneyline lost, run line +1.5 covered
Show all 10 games
HOU @ PHIFinal 7-11, Sep 9, 2026
IP 1.0, H 2, R 1, ER 1, BB 0, K 1, HR 0, PC-ST 21-14, ERA 3.17, PC 21
Betting: PHI moneyline won, run line -1.5 covered
ATL @ PHIFinal 2-4, Sep 5, 2026
IP 1.0, H 1, R 1, ER 1, BB 0, K 1, HR 1, PC-ST 19-13, ERA 3.06, PC 19
Betting: PHI moneyline won, run line -1.5 covered
PHI @ ARIFinal 0-1, Sep 2, 2026
IP 1.0, H 1, R 1, ER 1, BB 0, K 2, HR 1, PC-ST 12-9, ERA 2.94, PC 12
Betting: PHI moneyline lost, run line -1.5 did not cover
PHI @ ARIFinal 7-1, Sep 1, 2026
IP 1.1, H 0, R 0, ER 0, BB 0, K 2, HR 0, PC-ST 21-15, ERA 2.82, PC 21
Betting: PHI moneyline won, run line -1.5 covered
PHI @ LAAFinal 4-2, Aug 29, 2026
IP 1.0, H 1, R 1, ER 1, BB 0, K 2, HR 1, PC-ST 24-16, ERA 2.90, PC 24
Betting: PHI moneyline won, run line -1.5 covered
PHI @ LAAFinal 5-3, Aug 28, 2026
IP 1.0, H 0, R 0, ER 0, BB 0, K 2, HR 0, PC-ST 25-16, ERA 2.77, PC 25
Betting: PHI moneyline won, run line -1.5 covered
Box score lines from ESPN.
Betting: his team's result at the closing moneyline and run line most of our sportsbooks closed at (3 books or more).
Career
3years2023 to 2026
- 2023MLB debutKansas City Royals
- 2025Best start2.0 IP, 3 K, 2 ER, vs Guardians
- 2026Best season56.1 IP, 73 K, 3.36 ERA in 59 games
- Oct 1, 2026Latest game1.0 IP, 0 K, 1 ER at Braves
Regular season
96 games
106.1 IP, 125 K, 3.81 ERA
Postseason
1 game
1.0 IP, 0 K, 9.00 ERA
MLB debut
2023 seasonKansas City Royals
Latest game
Oct 1, 2026: 1.0 IP, 0 K, 1 ERBraves 6, Phillies 2
Most often against
The teams he has faced most, with his teams' record and his line against each.
Detroit Tigers8 games
3-5his teams
His line: 9.1 IP, 11 K, 0.96 ERA
Last met Jul 12, 2026
Miami Marlins8 games
4-4his teams
His line: 7.2 IP, 8 K, 8.22 ERA
Last met Aug 19, 2026
Washington Nationals7 games
4-3his teams
His line: 5.1 IP, 9 K, 8.44 ERA
Last met Sep 15, 2026
Atlanta Braves5 games
2-3his teams
His line: 6.0 IP, 5 K, 6.00 ERA
Last met Oct 1, 2026
Los Angeles Angels5 games
3-2his teams
His line: 7.0 IP, 11 K, 1.29 ERA
Last met Aug 29, 2026
New York Mets5 games
2-3his teams
His line: 5.2 IP, 8 K, 3.18 ERA
Last met Sep 17, 2026
Injury history
ESPN's injury reports, newest first.
- Sep 18, 2026Day-To-Day Groin
Bowlan was diagnosed with a mild right groin strain Friday, Todd Zolecki of MLB.com reports.
ESPN / PHI
- Sep 17, 2026Day-To-Day Undisclosed
Bowlan was removed from Thursday's contest against the Mets with right groin tightness, Scott Lauber of The Philadelphia Inquirer reports.
ESPN / PHI
- Sep 17, 2026Day-To-Day Undisclosed
Bowlan exited Thursday's contest against the Mets with right groin tightness, Scott Lauber of The Philadelphia Inquirer reports.
ESPN / PHI
Sources and updates
Stats, scores and injury reports come from Agatha's own records: the SABR Lahman Baseball Database for the seasons through 2025, MLB's own box scores, its transactions and ESPN's injury reports.
Updated Nov 9, 2026, 6:42 AM ET. Results and form refresh after every game; biography facts are checked weekly.