Sam Warburton facing six-week lay-off after suffering knee injury

Warburton, who captained the Lions in Australia four years ago, is the bookmakers' favourite to skipper them in New Zealand.

Wales and Cardiff Blues flanker Sam Warburton is expected to be sidelined for six weeks after suffering a knee injury.

Warburton suffered a medial ligament strain during Blues' PRO12 clash against Ulster in Belfast last week.