Andrew Warren Katzenmoyer (born December 2, 1977) is a former American college and professional football player who was a linebacker in the National Football League (NFL) for two seasons. He played college football for Ohio State University, and became the first Butkus Award-winning middle linebacker to play for the Buckeyes. He was selected in the first round of the 1999 NFL Draft by the New England Patriots, and he played his entire professional career for the Patriots.