MLB players have a grueling schedule -- 162 regular season games in 180 days.
Check out the clip ...
Baseball great Kirk Gibson's son hasn't taken a swing in the majors, but he's still hitting home runs ... on the beach with his smoke show GF.
Cam Gibson -- who was drafted by his pop's old squad, the Detroit Tigers last summer -- and girlfriend Mackenzie Miller were in Maui this weekend ... and both flaunted their assets.
Unlike his dad's famous clutch World Series homer -- no one would say it's "impossible" these 2 hooked up. Hard bodies attract hard bodies ... aka #AbsGetCakes.