Leo Cullen: Sean O'Brien not 'a million miles off', should be fit for Six Nations

"He wasn’t a million miles off for this week but he’s not good enough to go this week."

Leinster head coach Leo Cullen believes Sean O’Brien will be fit and available to feature for Ireland from the opening round of the upcoming Six Nations, writes Brendan O’Brien.

The flanker reported a calf injury on returning to training after the Guinness PRO12 defeat of Zebre at the RDS two weekends and missed last week’s Champions Cup win against Montpellier at the same venue.