Matt O'Connor suffered a broken left collarbone as several jockeys picked up injuries at Tipperary tonight.
O'Connor took a heavy fall aboard Prince Roco in the 2m7f beginners chase.
Keith Donoghue, who was on board faller Mr Ramsay in the same race, has a possible broken left collarbone.
Paul Townend got a fall from Molko Jack in the three-mile handicap hurdle and was stood down with a soft tissue injury to his left wrist.
Martin Ferris, whose mount Ashling Hotel was brought down by that runner, has a dislocated AC joint.