Francis Joseph O'Brien was an American professional football offensive lineman in the National Football League who played for the Cleveland Browns, the Washington Redskins, and the Pittsburgh Steelers
O'Brien in 1959
A tackle, also called an offensive tackle and subcategorized as a left tackle or right tackle, is an American football position that flanks the two guards on the offensive line. Like other offensive l
Khalif Barnes, an offensive tackle for the Oakland Raiders (No. 69 in black jersey on right) in a 2012 game against the Miami Dolphins
Cleveland Browns left tackle Joe Thomas lining up pre-snap
Philadelphia Eagles right tackle Lane Johnson