Kenny Serwa will never forget his first knuckleball. He was 9 years old. It was the summer of 2006. His father, Ken Serwa, stood ready to catch. Kenny had been trying sliders and curveballs in the ...

Nearly 20 years later, Kenny is throwing that same knuckleball in the Detroit Tigers ' organization, now with Double-A Erie. Signed in January 2025, he has already been promoted from High-A West ...