CHRISTCHURCH, NEW ZEALAND - JUNE 10: Sean O'Brien of the Lions is tackled by Richie Mo'unga #10 and Sam Whitelock #5 of the Crusaders during the 2017 British & Irish Lions tour match between the Crusaders and the British & Irish Lions at the AMI Stadium on June 10, 2017 in Christchurch, New Zealand. (Photo by David Rogers/Getty Images)
