What position did Justin Jefferson primarily play?

Which college was Antonio Brown playing for when he entered the NFL? What jersey number did Antonio Brown wear with the Steelers? What position did Davante Adams primarily play? Which college was Davante Adams playing for when he entered the NFL? Justin Jefferson is best known for playing with which NFL team? Which college was Justin Jefferson playing for when he entered the NFL? What jersey number did Justin Jefferson wear with the Vikings? What position did Ja'Marr Chase primarily play?