A Great Britain international representative prop, second-row and loose forward, he played his club football with St Helens, with whom he won numerous titles, as well as Oldham and a stint in Australia with the Newcastle Knights.
[8] Chris Joynt played left-second-row in St. Helens' 16–25 defeat by Wigan in the 1995–96 Regal Trophy Final during the 1995–96 at Alfred McAlpine Stadium, Huddersfield on Saturday 13 January 1996.
In the 1997 post season, Joynt was selected to play for Great Britain at second-row in all three matches of the Super League Test series against Australia.
Having won the 1999 Championship, St. Helens contested in the 2000 World Club Challenge against National Rugby League Premiers the Melbourne Storm, with Joynt playing at second-row in the loss.
He played at second-row and scored two tries in the subsequent 2000 Super League Grand Final victory over the Wigan Warriors, and being awarded the Harry Sunderland Trophy.