Visible crew/equipment: At the morning lineup, when Captain Stanley walks out of his office the actor's small, black tape mark is visible on the floor where he stands.
Visible crew/equipment: After Johnny and the trainee run off to catch the purse snatchers, when Roy tells the officer which way they went, the outline of the mic transmitter is visible on the back of Roy's shirt.
Visible crew/equipment: When Roy and Johnny are with the nun, and Chet is helping with the kids on the school bus, the bulging outlines of the mic transmitters and wires are visible on the backs of all their shirts.
Visible crew/equipment: When the burned man is wheeled down the hall in Rampart shouting, "I'll sue you too," the actor's black tape mark is visible on the floor between Brackett and Johnny, just before Early steps on his mark. Additionally, another tape mark was visible a moment earlier, where Early stood before walking over to Johnny and Brackett.
Peace Pipe - S2-E5
Visible crew/equipment: When Roy and Johnny are with the boy whose finger is stuck in the gumball machine, the outlines of the lavalier mic transmitters are visible on the backs of Johnny's and Roy's shirts.
Visible crew/equipment: When all the guys are on the roof trying to rescue the unconscious man on the scaffold, the outlines of the lav mic transmitters are visible on the backs of Johnny's and Captain Stanley's shirts, as well as the back of the other scaffold worker's shirt.
Visible crew/equipment: When Johnny and Roy are trying to get the boy with Meniere's Syndrome out of the treehouse, the bulging outlines of the mic transmitters are visible on the backs of Deputy Pauling's, Roy's, and Johnny's shirts.
Visible crew/equipment: When Station 51 is dispatched to the movie studio, during the rescue of the injured stunt guys, the bulging outlines of the mic transmitters and wires are visible on either the backs or sides of Chet's, Roy's, and Johnny's shirts.
Visible crew/equipment: When the deputy arrives at the scene of the overturned tractor, the reflection of set equipment is visible at the hood of his vehicle, over the tire.
Visible crew/equipment: When Roy and Johnny are treating the man under the tractor, and subsequently Dr. Knott, the outlines of the Lav mic transmitter and cable are visible on the back of Johnny's shirt.
Visible crew/equipment: Amid the possible threat of fire from wind shift, when Johnny and Roy rescue the unconscious hiker (John Travolta), the bulging outlines of the mic transmitters are visible on the backs of Johnny's and Roy's shirts, and also the second hiker's shirt.
Visible crew/equipment: When Johnny and Roy are trying to get the boy's head unstuck from the small window opening, the bulging outline of the lav mic transmitter is visible on the back of Johnny's shirt.
Visible crew/equipment: When the guys are rescuing the little boy from the hole in the ground, the outlines of the mic transmitters are visible on the backs of Johnny's and Roy's shirts.
Visible crew/equipment: When Johnny is kneeling beside the injured guy in the bull corral, the bulging outline of the mic transmitter is visible on the back of Johnny's shirt.
Visible crew/equipment: When the guys are trying to lift the engine that fell on the mechanic, the outlines of the lavalier mic transmitters and wires are visible on the backs of Captain Stanley, Roy, and Johnny.
Visible crew/equipment: When the Battalion Chief, Roy, and Johnny walk into Captain Stanley's office to speak with the officers, two actor's tape marks are visible on the floor in front of the desk.
Visible crew/equipment: When Gage and DeSoto are at Harry Teal's house for the third time, there is an actor's white tape mark on the floor in front of the cabinets, just below where the Biophone is placed.
Visible crew/equipment: When Brackett tells Dixie to have Chet go for the cast, he steps into the hallway to speak with Mr. Kleiner, and as the two start walking up the hallway, the black tape mark is visible on the floor behind them, beside the gurney, precisely where the attendant had been standing.
Visible crew/equipment: In the kitchen, when Roy removes the cap from the soda pop, the actor's black tape mark is visible on the floor behind him, just before Roy steps on it when he talks to Captain Stanley.
Visible crew/equipment: After Gage and DeSoto climb the ladder to get the dog off the roof the second time, when it cuts to Rampart there is a man waiting outside the treatment room, and the actor's tape mark is visible on the floor, at his feet.
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 ★