Joseph Carl "JC" Tretter Jr. is a former American football center. He played college football at Cornell, and was drafted by the Green Bay Packers in the fourth round of the 2013 NFL Draft. He also served as President of the NFL Players Association.

The Cornell Big Red football team represents Cornell University in National Collegiate Athletic Association (NCAA) Division I Football Championship Subdivision (FCS) college football competition as a member of the Ivy League. It is one of the oldest and most storied football programs in the nation. The team has attained five national championships and has had seven players inducted into the College Football Hall of Fame.