Iain Henderson and John Cooney return for Ulster in Saturday's crucial Heineken Champions Cup tie against holders La Rochelle (5.30pm), but James Hume and Jacob Stockdale miss out.
Henderson and Cooney come into the starting line-up after completing the return-to-play protocols that saw them miss the 39-0 drubbing by Sale Sharks in round one.
Henderson captains Ulster from blindside flanker while Cooney resumes his half-back partnership with Billy Burns.
Dan McFarland makes eight changes to the team that failed to register a point at the AJ Bell Stadium, with British and Irish Lions prop Rory Sutherland handed his first Ulster start after recovering from a knee injury.
Tom Stewart and Marty Moore pack down alongside Sutherland while Sam Carter partners Alan O’Connor in the second row as Kieran Treadwell drops to the bench.
Luke Marshall and Rob Lyttle replace the injured Hume and Stockdale at centre and wing respectively.
Ulster said they are taking "every possible step" to ensure the game goes ahead as planned at Kingspan Stadium, where there are concerns the frozen pitch will not have thawed in time for kick-off.
Ulster: Mike Lowry; Ethan McIlroy, Luke Marshall, Stuart McCloskey, Rob Lyttle; Billy Burns, John Cooney; Rory Sutherland, Tom Stewart, Marty Moore; Alan O’Connor, Sam Carter; Iain Henderson (capt), Nick Timoney, Duane Vermeulen.
Replacements: Rob Herring, Eric O’Sullivan, Gareth Milasinovich, Kieran Treadwell, David McCann, Nathan Doak, Stewart Moore, Ben Moxham.
Conor Murray starts for Munster on his return from injury as Graham Rowntree makes four changes for Sunday’s game against Northampton Saints (1pm).
Murray, who has been sidelined for the past six weeks with a groin injury suffered on his 100th Ireland appearance against South Africa, returns to partner Joey Carbery at Franklin’s Gardens.
Jack Crowley replaces Rory Scannell at inside centre as Munster head coach Graham Rowntree opts for two playmakers, while Keith Earls starts on the left wing after making his comeback from injury against Toulouse.
Jack O’Donoghue, who this week signed a two-year contract extension, comes into the back row with Peter O’Mahony switching to openside flanker.
Ireland prop Dave Kilcoyne could make his first appearance since October after being named among the replacements.
Munster: Mike Haley; Calvin Nash, Antoine Frisch, Jack Crowley, Keith Earls; Joey Carbery, Conor Murray; Jeremy Loughman, Niall Scannell, John Ryan; Jean Kleyn, Tadhg Beirne; Jack O’Donoghue, Peter O’Mahony (capt), Gavin Coombes.
Replacements: Diarmuid Barron, Dave Kilcoyne, Roman Salanoa, John Hodnett, Alex Kendellen, Craig Casey, Rory Scannell, Shane Daly.
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