In the remaining part of the season, Whymark made six starts and two substitute appearances, scoring his first and only goal in a vital 2–0 victory over fellow relegation strugglers Sunderland.
The following season, Whymark only recorded eight starts with two substitute appearances and a single goal (in a 4–0 victory over Manchester United).
Belfitt, Ipswich's top scorer at the time, was exchanged for young Everton striker David Johnson.
Whymark also scored five goals in Ipswich's successful Texaco Cup campaign, including one in the second leg of the final against local rivals Norwich City.
[2] Before the return match, he was presented with a trophy from some AS Roma supporters, which infuriated the Lazio fans and ensured the second leg in Italy was played in a hostile atmosphere.
Whymark scored 14 league goals in 36 appearances during the 1976–77 season, including a hat-trick against Norwich City, resulting in his being the top scorer again.
"[2] Following his release from Ipswich, Whymark joined Derby County, where he was limited to just two appearances before contracting glandular fever, which affected his fitness.
In 1979, Whymark moved to play for Vancouver Whitecaps of the North American Soccer League, and during his two seasons in Canada he scored 25 goals in 57 games.
He scored both goals, including the game winner in the 60th minute, of Vancouver's 2–1 Soccer Bowl victory over the Tampa Bay Rowdies in 1979.
He featured in six Under-23 games up to June that season, scoring against Scotland in a 2–1 away victory at Rugby Park, Kilmarnock, and against Denmark in a 1–1 draw.