Aaron Judge would love to make some room on his mantle for his 62nd home run ball ... but there's just one issue -- the fan who caught it ain't sure if he's willing to part ways with it yet.
The Yankees star hit the historic blast in the first inning of NY's loss to the Rangers on Tuesday -- giving him sole possession of the American League record over Roger Maris -- and Cory Youmans was the lucky spectator who ended up on the receiving end of it.