River Proud, supplemented into the Vodafone Derby on Monday at a cost of £75,000 (€94,118), is unlikely to take his place in the blue riband after suffering a late setback.

River Proud has emerged as a surprise contender for Saturday’s Vodafone Derby.

Mccartney (8-1) routed a high-class field in the Urban-I Champagne Stakes on St Leger day at Doncaster.