Leinster's Tommy O'Brien learning just how hard it is to win a Champions Cup

Bordeaux-Begles had way too much for the Irish side at the San Mames.

Tommy O'Brien, right, and Max Deegan of Leinster after the Investec Champions Cup final. Pic: Brendan Moran/Sportsfile

Tommy O’Brien thought Saturday's Champions Cup final was falling just perfectly for him.

It started when Caelan Doris won the toss and elected to play in a direction that would leave the winger in the glorious shade on a baking hot day in Bilbao where a good third of the pitch was exposed to the rays of a harsh sun.