Complex sentence: O'Donohoe played for Clontarf from a young age, and won the Leinster League Cup with Clontarf and was a runner-up with the side in the 2009 AIB League.
Split into simpler sentences: O'Donohoe played for Clontarf from a young age. Paul won the Leinster League Cup with Clontarf and was a runner-up with the side in the 2009 AIB League.