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Scouting Report
Updated May 19, 2026
George Kirby has evolved from "Furious George" to a workhorse pitcher in 2026. The Seattle Mariners right-hander has pitched 52+ innings (second in MLB), recently earned his 50th career win (12th in franchise history), and maintains a 5-2 record with a 2.84 ERA. Kirby has significantly increased his ground ball rate to 57.6% (4th in MLB, 2nd in AL), a strategic shift from previous seasons. He's delivering consistent quality starts with elite control, posting a 1.10 WHIP and 39:12 K:BB ratio. Recent performances include seven-inning outings against Atlanta and Houston, with multiple strikeouts and minimal runs allowed. Kirby was an All-Star in 2023 and led baseball in K/BB ratio in both 2023 and 2024.
Strengths
- + Elite ground ball rate (57.6%, 4th in MLB)
- + High innings pitched (52+, 2nd in MLB)
- + Excellent ERA (2.84)
- + Strong K/BB ratio (39:12)
- + Low WHIP (1.10)
- + Multiple quality starts (5 in 8 outings)
- + Career 50th win milestone achieved
- + Consistent performance against division rivals
- + All-Star caliber pitcher (2023)
- + Workhorse mentality and durability
- + Elite control pitcher
- + Success against Houston (5-1 career record vs Astros)
Weaknesses
- - Recent no-decisions in consecutive starts
- - Dip in effectiveness on second turn through order
- - Walking more batters than previous seasons
- - Striking out fewer batters than previous seasons
- - Team record 20-22 (below .500)
About
George Kirby is a sp for the Seattle Mariners.
Player Overview
SP
Seattle Mariners
Recent News
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May 17, 2026
Gavin Sheets homered twice, doubled, knocked in four runs and walked twice in the Padres' 8-3 win over the Mariners on Sunday Night Baseball.
May 17, 2026
George Kirby surrendered six runs in 5 2/3 innings Sunday in a loss to the Padres.
May 17, 2026
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May 15, 2026
George Kirby is Unrecognizable
May 14, 2026