Michael McGreevy arrived in the big leagues on July 31, 2024, and made an immediate impression. The St. Louis Cardinals right-hander posted a 1.96 ERA and a razor-thin 0.78 WHIP in his debut — numbers that had Cardinals fans circling his name in a hurry.
Quick Facts
- Full name: Michael McGreevy
- Position: Starting pitcher / Relief
- Team: St. Louis Cardinals
- Number: 36
- Bats / Throws: Left / Right
- Height / Weight: 6’4″ / 220 lbs
- Born: July 8, 2000 — San Clemente, California
- MLB Debut: July 31, 2024
Background
McGreevy grew up in San Clemente, California, a coastal town with a strong baseball tradition. He developed through the Cardinals’ minor-league system, refining his mechanics and pitch mix before earning his call-up at 23. When he finally stepped onto an MLB mound, he looked like he belonged — going 3-0 with 18 strikeouts across 23.0 innings in that shortened first season.
Professional Career
The debut was electric, but the following seasons have shown just how steep the learning curve can be. In 2025, McGreevy logged a career-high 95.2 innings, finishing 8-4 with a 4.42 ERA, 58 strikeouts, and a 1.25 WHIP. The workload increase and sharper scouting reports from opposing hitters clearly forced adjustments.
2026 stretched him further: 120.1 innings, a 3.59 ERA, 81 strikeouts, and a 1.20 WHIP — but a 4-9 record that reflected some rough patches. The underlying numbers suggest he’s holding his own, even if the wins haven’t always followed.
Career Stats at a Glance
- 2024 — Cardinals: 3-0, 1.96 ERA, 18 K, 0.78 WHIP, 23.0 IP
- 2025 — Cardinals: 8-4, 4.42 ERA, 58 K, 1.25 WHIP, 95.2 IP
- 2026 — Cardinals: 4-9, 3.59 ERA, 81 K, 1.20 WHIP, 120.1 IP
Awards and Records
No individual hardware yet — no Cy Young consideration, no All-Star nod. McGreevy is still in the building phase of his career, and at 26, there’s no rush. The Cardinals are counting on him to grow into a reliable rotation piece, and the raw tools are clearly there.
Fun Fact
Here’s a wrinkle that makes McGreevy a little different: he bats left-handed but throws right-handed. It’s an uncommon combination that adds a small layer of versatility on the defensive side. More importantly, it’s a reminder that he’s still one of the younger arms on the Cardinals’ staff — and if he can lock in his mechanics under pressure, the ceiling remains genuinely interesting.

