KJ Hamler (born July 8, 1999) is an American football wide receiver for the Buffalo Bills of the National Football League (NFL). He played college football at Penn State Nittany Lions. In the first game of his collegiate career against Appalachian State, Hamler returned a kickoff 52 yards with less than two minutes on the clock to help spark Penn State's game-tying drive. He capped the drive off with a 15-yard touchdown reception with under a minute remaining, ending the game with 3 catches for 67 yards and a touchdown.