Exeter City sign Bradford City full-back Luke O'Brien

Exeter City have signed Bradford City full-back Luke O'Brien for an undisclosed fee.

City have taken over the contract of the 23-year-old, whose deal at Bradford was due to run out in the summer.

He is a direct replacement for Scott Golbourne, who .

O'Brien is a product of the Bradford's youth programme and has made more than 120 appearances for the Bantams since making his debut in September 2007.

He has made 13 appearances for Bradford this season, with more than half them coming as a substitute.