Arsenal boss Arsene Wenger believes Alexis Sanchez deserves to win this season's Professional Footballers' Association Players' Player of the Year award.
The Chilean scored 22 goals in all competitions so far, 14 of which came in the Premier League.
He signed for the Gunners during last summer's transfer window for an estimated fee of £35m and will be competing with Chelsea's Eden Hazard for the season-ending award.
"Alexis [Sanchez] had a big impact and let's not forget that for [Eden] Hazard it is not the first season but for Alexis it is," Wenger said.
"He will give him a fight and if Alexis doesn't make it this year, he will give him a fight as well for next season.
"I think everybody would agree that Hazard has had a great season and one of the aspects of Sunday's game will be to keep him quiet.
"He has found maturity that he did not have before.
"I believe his final ball is better, his personality on the pitch is stronger, the finishing aspect of his game is much better than before.
"He can turn games when it's 0-0 and when it's tight. That's always a sign of top quality."