Unbeaten super welterweight prospect Joey Spencer continued his fast rise up the ranks with an impressive first-round KO victory over Isiah Seldon (14-4-1, 5 KOs). In a bizarre sequence of events, the 20-year-old Spencer (12-0, 9 KOs) dropped Seldon with a hard right hand. Seldon rose at the count of eight. When action resumed, Seldon unleashed several punches to the back of Spencer’s head, prompting referee Jerry Cantu to deduct two points for the fouls. It didn’t take long for Spencer to bring a conclusion to matters. He landed another right hand that sent Seldon to the canvas again. This time Cantu didn’t bother counting, waving off the fight at 2:15 of the first round. “I just knew that I was going to put hands on him, and that’s how I was going to retaliate. I definitely put in the back of my mind that maybe I’d punish him a little further if I would have gotten a chance. But I didn’t. The ref stopped him, and that’s the way it ended,’’ Spencer said. “My man strength is coming. I