Calling out all baseball fans out there! MLB.com wants to take you out to a ballgame – the biggest ballgame, in fact! Simply guess the answer to the question below to be qualified!

The Nationals’ Bryce Harper hit a solo homer against the division rival Miami! Can you guess how far his home run travelled? Line up your best guess, then lock in your bet to be entered to win a trip to the 2015 MLB World Series Championship! The closer your guess, the more entries you get!

Hurry – join this sweepstakes by following all the instructions below!