Micheál Donoghue on 'biggest risk' of sweeper system

Galway hurling boss Micheál Donoghue feels rigidly deploying a sweeper system can make it difficult to adapt during games.
Wexford used Kevin Foley in their All-Ireland Hurling semi-final defeat to Tipperary over the weekend, where they let a five-point lead slip while also a man up.