Arsenal have secured a real gem in Leandro Trossard from Brighton this winter.
That is the opinion of Manchester United legend Paul Scholes, who spoke after the Gunners beat his old side at the Emirates Stadium on Sunday.
Trossard came on for the latter stages of Arsenal's 3-2 win in that fixture.
"When you are going for titles, you need strong squads, you need players who can come in and replace players," Scholes told Premier League Productions.
"Those players that come in might not always be as good as the starters, but they might even be better from the bench.
"When Leandro Trossard came on for Gabriel Martinelli, I didn't think it weakened Arsenal, it really didn't. So I think Trossard is a great signing. Two or three more would really boost this team to go on and win the Premier League."