Andrew Boyle is named on the right wing and Academy winger Sam Coghlan Murray shifts to the left side. Jordan Coghlan, a try-scorer in the round 3 clash, continues a midfield partnership with Colm O'Shea.
Dominic Ryan leads the team once more and there are a further changes to the starting pack, with Jack Conan joining Ryan and Leo Auva'a - making his 21st appearance for Leinster in the British & Irish Cup - in the back row and hooker James Tracy coming into the front row.
Quinn Roux is once more named in the second row alongside Ben Marshall. Darragh Fanning, who scored a brace of tries last Saturday, is included on the bench.
LEINSTER 'A' (v Cross Keys): Darren Hudson; Andrew Boyle, Colm O'Shea, Jordan Coghlan, Sam Coghlan Murray; Cathal Marsh, Luke McGrath; Jack O'Connell, James Tracy, Tadhg Furlong, Quinn Roux, Ben Marshall, Jack Conan, Dominic Ryan (capt), Leo Auva'a.
Replacements: Bryan Byrne, Brian McGovern, Ross Molony, Josh van der Flier, Adam Griggs, Adam Byrne, Darragh Fanning.