Chael Sonnen’s Submission Underground returns to UFC Fight Pass on Wednesday, and once again the card features a number of MMA notables. The closed-door submission grappling event takes place in Portland and features Bellator heavyweight champion Ryan Bader in the main event, taking on SUG absolute champion Mason Fowler . The full card streams live on UFC Fight Pass beginning at 6 p.m. ET (3 p.m. PT local time). Bader competed earlier this month at Submission Underground 19, scoring an overtime victory over recent Bellator signee Anthony Johnson , while Fowler also competed on the same card, submitting Satoshi Ishii in overtime to defend his belt