Oisin Murphy returns to action at Chelmsford this Thursday following his 14-month ban for alcohol and covid breaches.
The three-time champion jockey will partner the Mick Appleby-trained Jupiter Express in his only ride on the card in the Winning Connections Networking Handicap.
The British Horseracing Authority (BHA) announced last week that the 27-year-old will undergo increased alcohol and drug testing after he was found to have failed two breathalyser tests.