"I think there's still a lot to come from him because we really believe in his qualities, we know what he's capable of doing," United captain Fernandes told Sky Sports.
A brace from Amad Diallo gave United their first success in this season's competition, coming under interim manager Ruud van Nistelrooy after they had drawn the previous three games with Erik ten Hag was in charge.
"A lot of players have never had Old Trafford bouncing like that," said United legend Keane.
Manchester United ended Liverpool's quest for a quadruple of trophies in Jurgen Klopp's final season after Amad Diallo's winner edged a thrilling FA Cup quarter-final 4-3 after extra-time.
"I think there's still a lot to come from him because we really believe in his qualities, we know what he's capable of doing," United captain Fernandes told Sky Sports.
A brace from Amad Diallo gave United their first success in this season's competition, coming under interim manager Ruud van Nistelrooy after they had drawn the previous three games with Erik ten Hag was in charge.
"A lot of players have never had Old Trafford bouncing like that," said United legend Keane.
Manchester United ended Liverpool's quest for a quadruple of trophies in Jurgen Klopp's final season after Amad Diallo's winner edged a thrilling FA Cup quarter-final 4-3 after extra-time.
