What position did Corey Seager primarily play?

What uniform number did Bobby Witt Jr. wear with the Royals? What position did Gunnar Henderson primarily play? Gunnar Henderson is best known for playing with which MLB team? What uniform number did Gunnar Henderson wear with the Orioles? What position did Freddie Freeman primarily play? What position did Manny Machado primarily play? Manny Machado is best known for playing with which MLB team? What uniform number did Manny Machado wear with the Padres?