Scott Penny ready for 'must-win' as Leinster face Ulster testFlanker expects tight interprovincial derby as URC race intensifies
Leinster beat Edinburgh to advance through to Champions Cup quarter-finalsLeinster scored twice in the first six minutes to give them an early 14-point advantage.
Harry Byrne starts for Leinster in Champions Cup last 16 clash v EdinburghIn the second row, Ryan Baird makes his return from injury to partner Joe McCarthy.