John Cooney starts at out half for the first time in his career.
Dave Shanahan replaces the injured Ruan Pienarr in the Ulster side for Sunday's clash with Exeter.
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Full-back Charles Piutau and second row Pete Browne also return.
Tonight Leinster host Montpellier knowing a win will seal their place in the quarter-finals.
Kick-off at the RDS is at 7.45pm.
