What position did Eli Manning primarily play?

What position did Philip Rivers primarily play? Philip Rivers is best known for playing with which NFL team? Which college was Philip Rivers playing for when he entered the NFL? What jersey number did Philip Rivers wear with the Chargers? Eli Manning is best known for playing with which NFL team? Which college was Eli Manning playing for when he entered the NFL? What jersey number did Eli Manning wear with the Giants? What position did Matt Ryan primarily play?