Heartbeat Supreme can claim milestone win for O'Brien at Dundalk 

O’Brien is just one shy of his 1,500th win as a trainer.

Trainer Joseph O'Brien. Pic: Matt Browne/Sportsfile

Heartbeat Supreme should give Joseph O’Brien a milestone success in the Put The Fun In Fundraising Maiden.

O’Brien, who saddled his first winner, Justice Frederick at Gowran Park in June 2016, is just one shy of his 1,500th win as a trainer.