Watch: Mariners' George Kirby throws rare knuckleball in tribute
MLB The Show 20 - George Kirby
George Kirby Four Seam Images
George Kirby learns two-seam fastball from Robbie Ray
George Kirby solid for Mariners, but Yankees' Gerrit Cole better
Seam-shifted wake - Wikipedia
Aaron Boone gets real about George Kirby's dominance of Aaron
Appreciating George Kirby, the Mariners' ace
George Kirby, Emerson Hancock
Seattle Mariners prospect George Kirby uses Elon connection to
Bats Remain Quiet, But Seattle Mariners Ride George Kirby and Ty
Appreciating George Kirby, the Mariners' ace