By Tzvi Machlin The Tampa Bay Buccaneers just added a tidy sum of money to their offseason war chest with a big salary cap move. Over the weekend, the Bucs restructured the 2022 base salary of star defensive tackle Vita Vea. Per NFL insider Ian Rapoport, the move frees up a whopping $7.4 million in cap space ahead of free agency this week. Vea is coming off one of the best years of his young career. The former first-round pick out of Washington had a career-high four sacks along with 33 tackles and 12 QB hits. He earned his first Pro Bowl selection as the Bucs defense ranked fifth in the NFL. …