Aidan O'Brien warns Derby second favourite's Epsom challenge 'not written in stone'
Constitution River's Epsom Derby participation remains uncertain after his Chester win, while Aidan O'Brien confirmed Benvenuto Cellini and Pierre Bonnard as definite Derby hopefuls during Monday's Ballydoyle media morning
Original Source
Read the full article at Mirror →KhanList aggregates and links to publicly available news content. We do not host full articles from third-party sources. Always verify important information with original sources.