[Getty Images]Darren O'Dea says Brendan Rodgers played a pivotal role in his decision to leave Celtic to become assistant head coach at Swansea City.Former Republic of Ireland international O'Dea held the role of player pathway manager with ex-Swans boss Rodgers' side but has now linked up with compatriot Alan Sheehan at the Swansea.com Stadium."This club is similar to Celtic in that it has a real identity, it is not just enough to come in here and just win, there needs to be more. There needs t