United drew 1-1 with the Spanish outfit at Old Trafford during a game which marked our latest signing's Reds bow on home turf.
Heaton was impressed with his new team-mate’s showing and says that the confident performance isn’t a surprise.
“That’s been the case all week,” the goalkeeper explains.
“I really enjoyed playing with him today, I think he’ll be a top, top player for the club. As I say, I thought he was outstanding today and I’m looking forward to watching him this season.
“For what he brings, physicality, how he uses his body, what he gives you in terms of mobility and on the ball and personality-wise, I think he’s going to add a lot to the team.