"I wonder whether these public dressing downs are contributing to a fear factor in the Manchester United dressing room", said McGrath.
But rather than lavishing all the praise upon the goalscoring substitute, Mourinho has instead highlighted the impact of Herrera, who came off the bench after 56 minutes for only his fifth Premier League appearance of the season.
Saturday was another exhibition of fighting spirit, as United turned around a awful first half away to Bournemouth to win 2-1 in added time.
He said on BT Sport: "They were much better than us in the first half, and we were better in the second".
The Spaniard recently returned to the squad from an injury and has been a squad player this season for Manchester United, but May feels he could start against Juventus on Wednesday night.
"But we can come out with some good results and it can be seen as a good month, considering [October] was probably one of our toughest months".
Genoa offered little, even when Piatek was sent on for former Inter forward Goran Pandev, five minutes into the second half. "It is an especially tough month now and potentially after the worldwide break when we have a lot of home games it's all about making sure we get results and move up that table despite the tough games".More news: Sri Lanka rivals woo defectors in bid to end impasse
More news: Deepika Padukone's pre-wedding celebrations begin with puja
More news: Prince Charles and wife Camila arrive in Ghana
"All credit to them for sticking in the game during that first period because it couldn't have been easy with the way we played and how hard it was to defend our attacking players".
"I think by the end of December, which is the end of the first half of the Premier League, I think we are not going to be in the position we are now". I felt we needed him to give more balance and to recover the ball faster. No matter how bad the first half was, the second half we all believed we could go and win.
"We were ready for everything, I can't understand the mentality that brings me more white hair!"
"I think a few mistakes create instability".
"Defensively we were bad". Napoli were strong last season too, while Inter have a lot of quality and it's not surprising to see either of them chasing us at the top of the table.
"When the team is really defensive and you are more defensive-minded and you base your work on that, then the team doesn't develop enough in other areas but manages to get some results based on that", he said.