Mr. Randall walks out to the baseball field to watch his son Terry practice with the school team. Mr. Randall sees that the baseball coach has several stations set up based on position. The infielders are in a line waiting their turn to practice bunting. The outfielders are in a line waiting their turn to catch pop-flys. The pitchers are in the middle of their 20 minute jog around the perimeter of the field. The catchers are taking turns flipping their mask off to catch a foul ball. Which group of players is doing an aerobic activity? (2 points)

A. Catchers
B. Infielders
C. Outfielders
V. Pitchers