“Obviously the injury was a setback club football wise. Internationally I wanted to come into this with a lot of games under my belt with full fitness, but I feel good. I'm back available, been training and I'm looking forward to it.
“Obviously it's a big game. I've done a few sessions now and feel like my fitness is there, so, like I say, I'm available for the game.”
The Englishman was one of United’s highest-appearance makers last season – having started 51 appearances and playing the entire 90 minutes in nearly every single one of them.
England will be looking to assure qualification to the Euro 2020 knockout rounds with a win over Scotland – but it remains to be seen if Maguire is given a start or not.