Which college was Tony Gonzalez playing for when he entered the NFL?

Which college was Amon-Ra St. Brown playing for when he entered the NFL? What jersey number did Amon-Ra St. Brown wear with the Lions? What position did Tony Gonzalez primarily play? Tony Gonzalez is best known for playing with which NFL team? What jersey number did Tony Gonzalez wear with the Chiefs? What position did Rob Gronkowski primarily play? Rob Gronkowski is best known for playing with which NFL team? Which college was Rob Gronkowski playing for when he entered the NFL?