By the time he returned to the first team, United's form had deteriorated and they were regularly conceding goals.
Taboun's subsequent form deteriorated.
At five, Pretender's form deteriorated further.
Shaw's All-Australian form would deteriorate with the extra attention, as well as a corked thigh/quad he encountered against Fremantle in round ten.
Derby's form deteriorated in 2005-06, with the club finishing 20th in the table, and eliminated early from both cup competitions.
Chapeau d'Espagne's form deteriorated and she failed to win in eight subsequent races in 1837.
Punjab's form deteriorated as they faced teams at the top-half of the points table, with only Shaun Marsh and David Miller making significant batting contributions.
In four seasons, he scored 27 goals from 75 appearances in all competitions, though he suffered a broken leg in 1963, after which his form deteriorated.
After two seasons he was transferred to fellow league side Sporting de Gijón where his form deteriorated, scoring only twice in 33 matches in two seasons combined.
Anderson's form deteriorated over the last few weeks.