What position did Anthony Rizzo primarily play?

What position did Keith Hernandez primarily play? Keith Hernandez is best known for playing with which MLB team? What uniform number did Keith Hernandez wear with the Mets? What position did Gary Carter primarily play? Anthony Rizzo is best known for playing with which MLB team? What uniform number did Anthony Rizzo wear with the Cubs? What position did Kris Bryant primarily play? Kris Bryant is best known for playing with which MLB team?