The Ireland centre had been sidelined since injuring his finger last month.
Robbie Henshaw is back for Leinster's Investec Champions Cup clash with La Rochelle on Saturday.
The Ireland centre had been sidelined since injuring his finger in the URC champions' win at Munster last month.
Garry Ringrose and RG Snyman are also back training with the province, while a decision will be made on Harry Byrne and Rabah Slimani's availability later in the week.
Graeme McDowell To Make His First Major Appearance In Six Years Next Month
Earlier McDowell booked a place at the US Open in Shinnecock Hills.
Three Of The Irish Provinces To Kick Off The New Season At Home In September
Leinster will open their season in South Africa to face the Lions.
Tuesday Morning Sports Update
Keeping you up to date on soccer, rugby and racing.
All Ireland Football Championship Opening Round Fixtures Confirmed
Leinster champions Westmeath will host Cavan on May 30th
Tommy O'Brien Among Injury Doubts For Leinster's Champion Cup Final On Saturday
Kick-off in Bilbao is at 2:45pm.
Monday Morning Sports Update
Keeping you up to date on GAA, soccer, and golf.
Sunday Evening Sports Update
Keeping you up to date on GAA, golf, soccer, and rugby.
Mourinho's Benefica Go Unbeaten but Miss Title
Jose Mourinho's Benefica completed the Portuguese league season unbeaten, but still finished third.
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