Adrien Broner
On 11 April 2015, Spence defeated Samuel Vargas by TKO in Round 4 of 10 in a "Premier Boxing Champions" fight card at Barclays Center in Brooklyn, New York, bringing his record to 16-0. On May 16, it was announced that Spence would feature on the undercard of Shawn Porter vs. Adrien Broner on June 20 at the MGM Grand Arena. Spence defeated Phil Lo Greco (26-1, 14 KOs) via 3rd-round TKO. Spence was originally scheduled to fight Roberto García. García backed out of the fight three days before the card due to weight issues. Spence landed 73 of 142 punched thrown (51%) and Lo Greco landed 19 of 132 (14%).