Athletics6 games
4-2his teams
His line: 5.2 IP, 3 K, 3.18 ERA
Last met Mar 30, 2025
BaseballMLBPitcher
Gregory Santos
Stats, career and game logGregory Santos is an MLB pitcher from the Dominican Republic who made his debut with the San Francisco Giants on Apr 22, 2021.
66MLB games since 202357strikeouts
Updated
About Gregory Santos
Gregory Santos is an MLB pitcher. Born on August 28, 1999, in San Cristobal, Dominican Republic, he bats right-handed and throws right-handed. Santos made his MLB debut on Apr 22, 2021, with the San Francisco Giants. In the 2024 regular season, he pitched in 8 games for the Seattle Mariners with a 4.91 ERA and 6 strikeouts in 7.1 innings.
Agatha Research DeskUpdated Oct 5, 2026Season by season66
Every season, every MLB appearance in our records since 2023, newest season first.
| Season | Team | Games | Starts | IP | K | BB | ERA | WHIP |
|---|---|---|---|---|---|---|---|---|
| 2026 |  SF | 3 | 0 | 5.0 | 1 | 3 | 3.60 | 1.60 |
| 2025 |  SEA | 8 | 0 | 7.0 | 0 | 8 | 5.14 | 2.29 |
| 2024 | SEA | 8 | 0 | 7.1 | 6 | 1 | 4.91 | 1.09 |
| 2023 |  CHW | 46 | 0 | 52.0 | 50 | 11 | 3.29 | 1.19 |
| Career | 65 | 0 | 71.1 | 57 | 23 | 3.66 | 1.32 |
How he is doing now
2026 pitching3.60 ERA5.0 innings, 1 strikeout, 1.60 WHIP
Last game1.1 IP, 0 K, 0 ERMay 9 vs Pirates
Injury status
No injury reports on file.
Career
5years2021 to 2026
- 2023First game in our records3-2 win vs Twins
- 2023Best season52.0 IP, 50 K, 3.29 ERA in 46 games
- May 9, 2026Latest game1.1 IP, 0 K, 0 ER vs Pirates
Regular season
65 games
71.1 IP, 57 K, 3.66 ERA; since 2023
First game in our records
May 2, 2023: 1.0 IP, 0 K, 0 ERCHW 3, Twins 2
Latest game
May 9, 2026: 1.1 IP, 0 K, 0 ERPirates 13, SF 3
Most often against
The teams he has faced most, with his teams' record and his line against each.
Detroit Tigers6 games
1-5his teams
His line: 6.2 IP, 8 K, 0.00 ERA
Last met Apr 1, 2025
Kansas City Royals5 games
2-3his teams
His line: 4.2 IP, 4 K, 0.00 ERA
Last met Sep 12, 2023
Los Angeles Angels5 games
1-4his teams
His line: 5.0 IP, 5 K, 3.60 ERA
Last met Jul 24, 2024
Cleveland Guardians4 games
1-3his teams
His line: 5.0 IP, 4 K, 3.60 ERA
Last met Jul 28, 2023
Houston Astros4 games
2-2his teams
His line: 4.2 IP, 2 K, 5.79 ERA
Last met Apr 7, 2025
Sources and updates
Stats, scores and injury reports come from Agatha's own records: MLB's own box scores, its transactions and ESPN's injury reports.
Updated Oct 5, 2026, 3:15 PM ET. Results and form refresh after every game; biography facts are checked weekly.