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Seth Halvorsen is a right-handed pitcher for the Colorado Rockies. In MLB, Seth Halvorsen has appeared in 75 games (71.0 IP) with a 4.31 ERA and 8.37 strikeouts per nine. In AAA, Seth Halvorsen has appeared in 23 games (25.2 IP) with a 2.45 ERA and 13.68 strikeouts per nine.
The table below lists the 50 most recent of Seth Halvorsen's 120 tracked appearances, newest first, with innings pitched, hits, earned runs, walks, and strikeouts. Each date links to the full game page.
| Date | Lvl | Opp | IP | H | ER | BB | K |
|---|---|---|---|---|---|---|---|
| Sep 19, 2026 | MLB | San Francisco Giants | 1.0 | 0 | 0 | 0 | 2 |
| Sep 17, 2026 | MLB | Cincinnati Reds | 1.0 | 2 | 1 | 0 | 1 |
| Sep 16, 2026 | MLB | Cincinnati Reds | 1.0 | 2 | 2 | 0 | 0 |
| Sep 12, 2026 | MLB | Miami Marlins | 1.0 | 0 | 0 | 0 | 1 |
| Sep 9, 2026 | MLB | Cincinnati Reds | 1.0 | 1 | 0 | 0 | 1 |
| Sep 7, 2026 | MLB | Cincinnati Reds | 1.0 | 2 | 1 | 0 | 0 |
| Sep 4, 2026 | MLB | Washington Nationals | 0.0 | 3 | 3 | 0 | 0 |
| Sep 1, 2026 | MLB | St. Louis Cardinals | 1.0 | 1 | 2 | 1 | 1 |
| Aug 30, 2026 | MLB | Detroit Tigers | 1.0 | 0 | 0 | 0 | 0 |
| Aug 29, 2026 | MLB | Detroit Tigers | 1.0 | 0 | 0 | 0 | 0 |
| Aug 23, 2026 | AAA | Sugar Land Space Cowboys | 0.1 | 0 | 0 | 1 | 1 |
| Aug 21, 2026 | AAA | Sugar Land Space Cowboys | 0.2 | 1 | 0 | 1 | 1 |
| Aug 18, 2026 | AAA | Sugar Land Space Cowboys | 1.1 | 0 | 0 | 0 | 2 |
| Aug 15, 2026 | AAA | Albuquerque Isotopes | 1.0 | 0 | 0 | 0 | 1 |
| Aug 11, 2026 | MLB | Kansas City Royals | 1.0 | 0 | 0 | 1 | 0 |
| Aug 6, 2026 | AAA | Salt Lake Bees | 1.0 | 1 | 0 | 1 | 3 |
| Aug 4, 2026 | AAA | Salt Lake Bees | 1.0 | 0 | 0 | 0 | 0 |
| Aug 1, 2026 | AAA | Las Vegas Aviators | 1.0 | 0 | 0 | 0 | 2 |
| Jul 30, 2026 | AAA | Las Vegas Aviators | 1.0 | 1 | 0 | 0 | 2 |
| Jul 26, 2026 | AAA | Sacramento River Cats | 1.1 | 1 | 0 | 1 | 1 |
| Jul 23, 2026 | AAA | Sacramento River Cats | 1.0 | 1 | 0 | 0 | 0 |
| Jul 19, 2026 | AAA | Sacramento River Cats | 1.0 | 2 | 0 | 0 | 0 |
| Jun 30, 2026 | MLB | Miami Marlins | 1.0 | 4 | 3 | 1 | 0 |
| Jun 28, 2026 | MLB | Minnesota Twins | 0.2 | 3 | 1 | 0 | 0 |
| Jun 26, 2026 | MLB | Minnesota Twins | 1.0 | 0 | 0 | 0 | 1 |
| Jun 21, 2026 | AAA | Sugar Land Space Cowboys | 1.0 | 2 | 0 | 0 | 2 |
| Jun 19, 2026 | AAA | Sugar Land Space Cowboys | 1.0 | 0 | 0 | 0 | 2 |
| Jun 15, 2026 | MLB | Chicago Cubs | 0.0 | 1 | 0 | 1 | 0 |
| Jun 13, 2026 | MLB | Athletics | 0.2 | 0 | 0 | 1 | 1 |
| Jun 12, 2026 | MLB | Athletics | 0.2 | 2 | 2 | 1 | 1 |
| Jun 9, 2026 | MLB | Chicago Cubs | 1.0 | 0 | 0 | 1 | 0 |
| Jun 5, 2026 | MLB | Milwaukee Brewers | 0.2 | 0 | 0 | 1 | 1 |
| Jun 3, 2026 | MLB | Los Angeles Angels | 1.0 | 1 | 0 | 1 | 0 |
| Jun 1, 2026 | MLB | Los Angeles Angels | 1.1 | 1 | 0 | 0 | 1 |
| May 29, 2026 | MLB | San Francisco Giants | 1.2 | 1 | 0 | 0 | 2 |
| May 24, 2026 | MLB | Arizona Diamondbacks | 1.0 | 3 | 2 | 0 | 1 |
| May 23, 2026 | MLB | Arizona Diamondbacks | 0.1 | 0 | 0 | 0 | 1 |
| May 21, 2026 | MLB | Arizona Diamondbacks | 1.0 | 0 | 0 | 2 | 2 |
| May 19, 2026 | MLB | Texas Rangers | 1.0 | 2 | 1 | 2 | 0 |
| May 17, 2026 | MLB | Arizona Diamondbacks | 1.0 | 1 | 0 | 0 | 2 |
| May 15, 2026 | MLB | Arizona Diamondbacks | 1.0 | 1 | 0 | 1 | 1 |
| May 12, 2026 | MLB | Pittsburgh Pirates | 1.0 | 0 | 0 | 0 | 1 |
| May 10, 2026 | MLB | Philadelphia Phillies | 1.0 | 2 | 1 | 1 | 0 |
| May 8, 2026 | AAA | Sugar Land Space Cowboys | 0.2 | 0 | 0 | 0 | 2 |
| May 5, 2026 | AAA | Sugar Land Space Cowboys | 1.0 | 1 | 0 | 0 | 2 |
| May 3, 2026 | AAA | El Paso Chihuahuas | 1.0 | 3 | 2 | 2 | 0 |
| Apr 29, 2026 | AAA | El Paso Chihuahuas | 2.0 | 1 | 0 | 0 | 4 |
| Apr 26, 2026 | MLB | New York Mets | 1.0 | 0 | 0 | 1 | 0 |
| Apr 23, 2026 | MLB | San Diego Padres | 1.0 | 0 | 0 | 1 | 2 |
| Apr 19, 2026 | AAA | Oklahoma City Comets | 1.1 | 1 | 0 | 0 | 2 |