Mariners’ George Kirby is still fast, less furious
In his fifth year, George Kirby has learned how to make the “Angry George” persona work for him
SEATTLE, WASHINGTON - APRIL 01: George Kirby #68 of the Seattle Mariners reacts during the fourth inning against the New York Yankees at T-Mobile Park on April 01, 2026 in Seattle, Washington. (Photo by Steph Chambers/Getty Images) | Getty Images For much of his Mariner tenure, George Kirby has carried the moniker “Furious George,” a tongue-in-cheek nod to his angry mound persona (his other nickname is “Angry Cheddar”, bestowed by Bryce Miller) and a play on the classic children’s book series about a curious monkey. But the 2026 version of George Kirby is a different animal altogether.
“I want to be a workhorse,” said Kirby after last night’s start, where he turned in seven strong innings against a red-hot Atlanta lineup, giving up just two runs on some bad-luck hits, including a fluky double that rolled down the right-field line at 71 mph off the bat of Mauricio Dubón. So far, Kirby has been as good as his word: Kirby hit 52 innings pitched last night, good for second in all of MLB behind Yankees ace Max Fried. The three MLB pitchers to have eclipsed 50 innings so far this season are Fried, Kirby, and Miami’s Sandy Alcantara.
Those three pitchers also have something else in common: elite ground ball rates. Both Fried and Alcantara ranked within the top 20 in baseball last year in ground ball rates. Kirby, however, is a newer member of this club.
After last night’s start against the Braves, Kirby’s groundball rate is up to 57. 6% – fourth-highest in baseball, and second in the AL behind Anaheim’s Jack Kochanowicz. Last season, maybe in an attempt to chase some more strikeouts and limit hard contact, Kirby dialed down his four-seamer, which he’d gradually been backing off of – he went from throwing it 45% of the time in his debut season to a low of 29% in 2025.
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