Dan Biggar (Scotland), Conor Murray (Ireland)
O’Driscoll said: “He is probably the form 10 in more recent months. There’s a security with Dan Biggar that he doesn’t have those really loose moments that can be catastrophic.”
Wyn Jones (Wales), Jamie George (England), Tadhg Furlong (Ireland)
O’Driscoll said: “George has to find some match fitness, I’m sure he’ll be training bloody hard.
“He has a big engine, a dynamism to his carrying, that I don’t know Ken Owens possesses.”