Submission Underground 21 Richie Martinez (+420) vs Mason Fowler (-550) Martinez by Submission (+450) Martinez by Decision/Escape Time (+500) Fowler by Submission (-175) Fowler by Decision/Escape Time (+150) Roxanne Modafferi (+325) vs Amanda Loewen (-450) Modafferi by Submission (+500) Modafferi by Decision/Escape Time (+400) Loewen by Submission