Heaven only made one senior appearance for the Gunners but was part of the club’s Academy for five years, having joined from West Ham in 2020.
Rooney believes that grounding will have helped him make the transition to Old Trafford, where he’s standing out due to his all-round abilities at the back.
"He looks like he's been there for years".
Have Man Utd found a star in Ayden Heaven? ⭐️#MOTD2 pic.twitter.com/d3cJ6yY2un
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“He’s come in from Arsenal, so he knows what it’s like to be at a big club,” he added. “I think that will have helped him, but he doesn’t look like he’s playing with pressure.
“He looks calm, he looks composed. He gives them good balance obviously with his left foot. He looks quick and he looks like he likes defending, so I think he’s a real coup for Manchester United.”