... the one on his arm.
Jason Giambi and his vascular extremities dwarfed his bald buddy, former wrestling superstar Bill Goldberg, during a night out at Wasted Space in Vegas the other night.
Giambi's physique* has never looked better.
Giambi Whips Out His Main Vein...
11/7/2008 7:00 AM PST BY TMZ STAFF
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