Indian boxing star Vijender Singh will make his debut in the American professional circuit on April 12 against a yet-to-be-decided opponent and is currently training under Hall of Famer Freddie Roach, who shaped the likes of Manny Pacquiao and Mike Tyson. Vijender, unbeaten in his 10-bout pro career, will make his US debut at Staples Center on THE Vasiliy Lomachenko-Anthony Crolla undercard. It will be an eight-round contest and his opponent will be announced later. The 33-year-old Vijender recently relocated his training base to Los Angles where he is training at the ‘The Wild Card Boxing Club’ under Roach, a 2012 International Boxing Hall of Fame (IBHOF) inductee