What position did Wes Welker primarily play?

What position did Hines Ward primarily play? Hines Ward is best known for playing with which NFL team? Which college was Hines Ward playing for when he entered the NFL? What jersey number did Hines Ward wear with the Steelers? Wes Welker is best known for playing with which NFL team? Which college was Wes Welker playing for when he entered the NFL? What jersey number did Wes Welker wear with the Patriots? What position did Steve Smith Sr. primarily play?