Yesterday, Ronaldo only came on from the 86th minute, when Man Utd were leading 2-1 thanks to goals from Jadon Sancho and Marcus Rashford.
This is also the final result, helping Man Utd win their first match in the Premier League this season.
In the previous round, the “Red Devils” lost to Brentford 0-4 when Ronaldo started.
Carragher is the second most capped player in Liverpool history (737 games, behind only Ian Callaghan’s 857).
He also holds the record of 149 european matches played at Liverpool.
The 44-year-old former defender has won one Champions League, one UEFA Cup, two European Super Cups, two FA Cups and three League Cups.
Cristiano Ronaldo paid no attention to Jamie Carragher, the former Liverpool captain, while greeting two former Man Utd team-mates Roy Keane and Gary Neville.
During the warm-up before the Old Trafford match between Man Utd and Liverpool on the evening of 22/8, Cristiano Ronaldo ran to the vertical border where four Sky Sports commentators were working.