What position did Antonio Gates primarily play?

What position did Shannon Sharpe primarily play? Shannon Sharpe is best known for playing with which NFL team? Which college was Shannon Sharpe playing for when he entered the NFL? What jersey number did Shannon Sharpe wear with the Broncos? Antonio Gates is best known for playing with which NFL team? What jersey number did Antonio Gates wear with the Chargers? What position did Jason Witten primarily play? Jason Witten is best known for playing with which NFL team?