The UFC is back on U.S. soil this week, and it’s not another event at the UFC Apex. The promotion heads to San Antonio for UFC on ESPN 43 for a key bantamweight bout between Marlon Vera and Cory Sandhagen . Elsewhere, many other MMA events are taking place that feature familiar names that have competed under the UFC banner. These nine veterans of the global MMA leader are competing in MMA bareknuckle boxing this week from March 24-26. Check out the names and details about their bouts below.