The "Bachelor's" Battle of the Bulge

7/25/2007 3:23 PM PDT BY TMZ STAFF
Former "Bachelor" Andy Baldwin attempted to fill out a pair of spandex bike shorts! Grower not a shower?

The smokin' hot Navy Lieutenant turned reality star tried out his boxing skills Tuesday on Venice Beach and, sadly, didn't exactly pack a punch!

As to where his ABC-contracted fiancee Tessa Horst was -- don't ask, don't tell!