But rather than undergoing a Ricky Hatton style transformation you need to condition your body for a punishing pre-season.
More after the break
Turn up with a muffin top and bingo wings and you’ll be playing catch up, warns Mo Gimpel, Southampton's sports medicine and science manager.
To help you prepare your body for the hard yards hit play and let Gimpel explain.
Mo Gimpel was speaking at the Science + Football Conference. This year's conference is on Wednesday, April 30 at the London Soccer Dome. For more information visit www.scienceandfootball.com
For more fitness tips see:
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Run harder, react quicker