A member of the Leinster sub-Academy, Murphy linked up with the Munster squad at the High Performance Centre in Limerickon Wednesday.
The teenage son of Ireland skills & kicking coach Richie Murphy provides injury cover with Neil Cronin ruled out due to a long-term knee injury.
With Conor Murray on international duty, Craig Casey and Nick McCarthy are the province’s only two scrum-halves available for selection.
Meanwhile, ahead of Saturday’s Guinness PRO14 clash with Benetton Rugby, Jean Kleyn trained fully today having been replaced during the Dragons game with a knock.
Darren Sweetnam (knee) will be assessed as the week goes on. Chris Cloete missed the win over the Dragons with a neck injury but is not expected to be a long-term absentee.
Front rowers Rhys Marshall and Roman Salanoa are rehabbing respective low-grade thigh injuries.
Dan Goggin underwent a scan on his shoulder last week and continues to rehab with the medical department.