LONDON Chelsea coach Antonio Conte may have missed out on the signature of the prolific Romelu Lukaku .
Coach maintained on Friday that coach had no regrets thanks to the searing form of the Premier League 's leading marksman Diego Costa .
LONDON Chelsea coach Antonio Conte may have missed out on the signature of the prolific Romelu Lukaku but he maintained on Friday that he had no regrets thanks to the searing form of the Premier League 's leading marksman Diego Costa .