Ole Gunnar Solskjaer has revealed Kieran McKenna had concerns about Manchester United’s decision to re-sign Cristiano Ronaldo back in the summer transfer window of 2021. The Red Devils decided to bring the Portugal international back to Old Trafford that year, with the veteran previously looking set to join Manchester City. Ronaldo enjoyed a dream start to his second stint at United, scoring twice in a 4-1 win over Newcastle on his debut. Yet he was never able to fire the club to silverware and he left for Al-Nassr in November 2022 after falling out with Erik ten Hag. Solskjaer has previously …