Apr 10 2015 0 Fight Posts Leon Davis vs. Islam Mamedov by Michael Terrell Ford III · April 10, 2015 WSOF 20 • Leon Davis vs. Islam Mamedov: Islam Mamedov def. Leon Davis via TKO (punches) at 4:41 of Round 1. Click the stars to rate this fight. What Do You Think of This Fight/Event?