Pirates' Mitch Keller wowed MLB fans with sweeper that broke 2 feet
Pirates' Mitch Keller stymies Rockies to throw first complete-game
Pirates end 7-game skid as Keller blanks Rockies on 4 hits
Pirates squander Mitch Keller's 7 scoreless innings as
Mitch Keller throws eight scoreless innings vs. Cubs
Mitch Keller tops Pirates on Top 100 Prospects
Mitch Keller's viral video highlights offseason work
Mitch Keller throws eight scoreless innings vs. Cubs
After strong July, might Pirates starter Mitch Keller finally be