The Tycoons - S5-E23
Visible crew/equipment: When Squad 51 is dispatched to the baby with difficulty breathing, in the wide shot when the squad pulls into the driveway and heads to the front of the house, the cameraman steps out of the shadows on the right side of screen and walks toward the squad (then it cuts to the footage he was shooting), and in the next shot as the moving camera closes in on the squad in front of it, the cameraman's shadow becomes visible on the tree and house.

Visible crew/equipment: During Johnny's surgery, the top of the set is visible over the door area when the camera angle tilts up, just before Morton comments that there's blood and wonders where it's coming from.
Visible crew/equipment: After they load Johnny into the ambulance, just as it's about to pull away the reflection of the location's array lighting is visible on the back of the ambulance.
Visible crew/equipment: When Roy and Brice are taking vitals of the possible heart attack, depending on the angle of the shot, the outlines of the mic transmitters can be seen on the backs of Roy's and Brice's shirts.
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 ★