Earls trained in Limerick on Tuesday but later complained of groin trouble and so withdraws with Laulala resuming the centre partnership he enjoyed with James Downey for the Racing Metro and Edinburgh games.
On Tuesday at the media briefing Rob Penney had expressed concern over several players, including Earls, but there was no further cause for concern after those players - Simon Zebo, BJ Botha, Dave O'Callaghan - came through training this morning in Cork
Luke O'Dea has been withdrawn from the British & Irish squad for tonight's game against Rotherham Titans (Musgrave Park 6.30) and travels to London tomorrow for a game that sees James Coughlan win his 100th cap.
Munster: F Jones; D Howlett capt, C Laulala, J Downey, S Zebo; R O'Gara, C Murray; D Kilcoyne, M Sherry, BJ Botha; D O'Callaghan, D Ryan; Dave O'Callaghan, P O'Mahony, J Coughlan. Replacements: D Varley, W du Preez, S Archer, B Holland, P Butler, D Williams, I Keatley, L O'Dea.