No regrets for O'Brien as he looks towards European return

Sean O’Brien may have missed the traditional round of Christmas interpros but he harbours no regrets about playing through injury against Exeter Chiefs last month, writes Brendan O’Brien.

The Leinster and Ireland flanker carried a hip problem into the return Champions Cup game against the English league leaders at the Aviva Stadium, six days after playing all 80 minutes against the same opposition at Sandy Park.