Frankie Dettori has aimed a dig at Cristiano Ronaldo's recent struggles, as the legendary jockey announced his retirement from horse racing.
Ronaldo has been widely criticised in recent months for failing to come to terms with a new role that reflects his age, and was accordingly dropped to the bench by both Manchester United and Portugal.
The 37-year-old is now a free agent but was seen training with his old club Real Madrid last week.
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