Kelly missed the opening three rounds of the 2015 Vodacom Cup, but returned to start all their remaining five matches in the competition. He scored a try in their 31–10 victory over former side the Eastern Province Kings to help the SWD Eagles finish in fourth spot on the log to qualify for the quarter-finals. They were knocked out at the quarter-final stage for the second year in a row, losing 21–29 to the in Johannesburg.
