Also had a friendly pop at Gary Neville too.
Whether the 4-0 Capital One Cup loss to MK Dons was the nadir or the sign of things to come is in question at this point, but those who had to endure years of United success are lapping it up.
Carragher let his guard down and showed his humour when asked a light-hearted question via Twitter from a Manchester City fan.
Jamie Carragher sticking the boot in: pic.twitter.com/nrDHrr0cD9— Paddy Power (@paddypower) August 27, 2014
It wasn't the only jibe a jovial Carragher dealt out last night, mocking Sky colleague Gary Neville after the former United captain had poked fun at an old performance of his.
If United slip up against Burnley again this weekend, Gary Neville might just decide not to turn up...