He would join the Oakland Raiders, where he would stay for four years, and he was named an AFL All-Star in each of those campaigns. In his first season there (1963), he would lead the AFL in Receiving Yards (1,304) and Touchdown Receptions (16) and was a First Team All-Pro. Powell also exceeded his yardage in 1964 (1,361) and again had a four-digit output in yardage in 1966 (1,026). He would also never have less than 11 TDs in a season as a Raider. Powell finished his career with one season each in Buffalo and Minnesota.Powell would accumulate 8,046 Receiving Yards and 81 Touchdowns over his 177 Game career in American Football.