High Quality Content by WIKIPEDIA articles! Zac Tubbs (born May 14, 1984 in Cullman, Alabama) is an American football offensive tackle for the Buffalo Bills of the National Football League. He was originally signed by the Buffalo Bills as an undrafted free agent in 2007 and released in July 2007.Tubbs played collegiately at Arkansas.American football, known in the United States simply as football and often as gridiron or tackle football outside the United States, is a competitive team sport known for combining strategy with physical play. The objective of the game is to score points by advancing the ball into the opposing team's end zone.