Baseballs weren't the only set of balls Carlos Carrasco's toddler son hit during quarantine batting practice Wednesday ...
Here's video of the Cleveland Indians star pitcher taking a comebacker straight to the man-junk in a throwing sesh with his kid this week ... and we gotta say, it's funny as hell!!!
Watch the clip ... Cookie throws a little soft toss to Noah -- who hammers the ball straight towards Carlos' family jewels.
The MLB ace crumpled like a sack of potatoes ... but don't worry, he's fine -- and even joked after, "STAY HOME, IF YOU PLAY BASEBALL WITH YOU KID, BE CAREFUL PLEASE.