బాక్సింగ్ – Open Workout ఏప్రిల్ 8, 2015 2016 × 1344 PREMIER BOXING CHAMPIONS ON NBC MEDIA WORKOUT QUOTES & ఫోటోలు ఏప్రిల్ 7, 2015: An open workout is held in the atrium at Barclays Center for the upcoming boxing match.