Here's a side of Mike Trout you don't see very often -- he's PISSED -- claiming MLB should punish the Houston Astros players who cheated their way to a World Series victory.
Trout -- the best player in baseball -- went off on the situation to reporters at an L.A. Angels spring training workout on Monday ... saying the players are getting off WAY too easy.
"They cheated," Trout said matter of factly ... "I don't agree with the punishments, the players not getting anything. It was a player-driven thing."
"It sucks, too, because guys' careers have been affected.