 Complete the following phrase:  On 24 February 2011, Carragher made his 137th European appearance in a match against Sparta Prague at Anfield, setting a new British record. On 17 April 2011, during a match against Arsenal at the Emirates Stadium, both Carragher and Jon Flanagan tried to head away the same ball, resulting in their heads colliding and Carragher being knocked out. After 6 minutes of treatment Carragher was stretchered off and replaced by Sotirios Kyrgiakos. Carragher recovered in time to make his 666th appearance for Liverpool days later, in 52 victory against Fulham. This appearance put Carragher second in the list of Liverpools all-time appearance makers, behind only Ian Callaghan with 857 games. In 2012, Carragher won a third 