Other mistake: After Marco offers Boot the ground beef while the guys are trying to figure out what's wrong with the dog, the tones drop and we hear the dispatcher say, "Station 51, Engine 95, Foam 27," but the odd subtitles read "Engine 95, Phone 27." Subtitles from Universal Studios 2010 DVD.
Other mistake: When Brackett asks Early to see the patient (Jaime Farr) who claims he can't move his arm because of a curse, Early walks into treatment 5, but in the shot from inside the room we can see that they're in treatment 2.
Other mistake: When Roy and Johnny are with the woman whose hand is caught in the mixer, we can see tape on the side of the stand mixer (Sunbeam) as well on the food containers, covering all their brand names.
Answer: I was rewatching a few first season episodes of Charlie's Angels (1976), and in S1xE6 "The Killing Kind," I recognized the same actor. So, to finally fully answer your question, the two baseball players in School Days are played by Rod Perry and Sean Fallon Walsh.
Super Grover ★