[9] On 11 May 1968, he won his first trophy with the club with a 11–10 victory over Wakefield Trinity in the 1968 Challenge Cup final at Wembley Stadium.
In the 1973–74 season, Atkinson played in the 7–2 victory over Wakefield Trinity in the 1973 Yorkshire Cup Final at Headingley on 20 October 1973.
In the 1975–76 season, Atkinson played in the 15–11 victory over Hull Kingston Rovers in the 1975 Yorkshire Cup Final at Headingley on 15 November 1975.
At the end of the 1976–77 season, he played and scored a try in the 16–7 victory over Widnes in the 1977 Challenge Cup Final at Wembley on 7 May 1977.
In October 1977, Atkinson announced his retirement from rugby league due to work commitments, but admitted his decision had also been influenced by his performance in a recent League Cup defeat against Wigan, in which he was beaten by his opposing winger Green Vigo several times throughout the match.
[15] At the end of the 1977–78 season, Atkinson played and scored a try in the 14–12 victory over St Helens in the 1978 Challenge Cup Final at Wembley on 13 May 1978.
In the 1979–80 season, Atkinson played in the 15–6 victory over Halifax in the 1979 Yorkshire Cup Final at Headingley on 27 October 1979.
In the 1980–81 season, Atkinson played in the 8–7 victory over Hull Kingston Rovers in the 1980 Yorkshire Cup Final at Fartown on 8 November 1980.
[11] Club Representative Individual (The figures in parentheses refer to the number of games played in the 1968 World Cup.)