Manchester United boss Jose Mourinho admired defender Luke Shaw for playing through pain in his team's victory over Anderlecht.
The England International, often criticised this season, played 120 minutes as the Red Devil edged into the UEFA Europa League semi-finals with a 2-1 extra-time victory at Old Trafford on Thursday.
Striker Marcus Rashford was the hero with his 107th-minute goal, but the victory came at a price for the hosts, who lost inform forward Zlatan Ibrahimovic and Marcos Rojo to injuries.
The Portuguese [Mourinho] was full of praise for Rashford – who now has 10 goals in all competitions this season – and Shaw.
"I always trust the players with special mentality. Always trust them. Luke Shaw did something new today, it means a lot for me," Mourinho told a news conference.
"After 90 minutes, before I know that I have to change Zlatan, he had cramp, I had Ashley Young ready to come on, and he told me I'm going to play for 30 minutes with cramps, no problem.
"He said if you need to make a change in another position I am ready for it.
"These kind of things make me trust the players. There are technical aspects, but the mentality is the reason why I kept Marcus on the team all the time, because of that."
The England International [Rashford] had been goalless in the English Premier League since September before netting in back-to-back matches earlier this month.
His match-winner sent Manchester United into the last four and Mourinho urged his players to preserve belief in their ability to go on and victory the Europa League.
"It was a difficult game, a difficult opponent, I am tired, I imagine the players are more tired than me," he said.
"But we are in the draw [on Friday] and we still have the dream to win the competition."