 Salford were then beaten by St. Helens in the semi-final.Gregory's team made three Challenge Cup semi-final appearances but never quite stepped up to reach the Wembley Final, the most memorable being at Headingley Stadium against the Sheffield Eagles, with minutes to go Salford were in charge of the game, Gregory decided to replace Cliff Eccles and Andy Platt in the front row, this proved to be his tactical downfall as the Sheffield Eagles went on to score tries in the very gaps that the two strong front rowers had left in the defensive line.The Sheffield Eagles went on to win the game and beat the Wigan Warriors in the Wembley Final.