High Quality Content by WIKIPEDIA articles! Zachary "Zac" McKensie Alcorn (born August 24, 1980 in Chadron, Nebraska) is an American football tight end for the Seattle Seahawks of the National Football League. He was signed by the Green Bay Packers as an undrafted free agent in 2006. He played college football at Black Hills State.Alcorn has also been a member of the San Francisco 49ers and Kansas City Chiefs.Alcorn attended Chadron High School in Chadron, Nebraska, and was a letterman in football, basketball, and track & field as a discus thrower.