Yankees Stud Aaron Judge Is Secret Broadway Superfan

NY Yankees mega-slugger Aaron Judge ... loves musicals!!!

The power-hitting rookie was at CC & Amber Sabathia's PitCCh In Foundation charity event in NYC Monday night when we asked the one thing NY newbies should do when they get to the Big Apple.

His answer -- BROADWAY!!!

The 6'7" superstar even has a favorite play ... and says he keeps some of the songs on his playlist.