Ryan Giggs names the three players that need to improve if Ivan Perisic joins Manchester United

Transfer windows are a very exciting time for clubs and their fans. 

Already this summer, we've seen a number of huge deals involving Premier League teams. 

Manchester City made Kyle Walker the most expensive Englishman ever, landing him from rivals Tottenham for £50 million. 

Defending champions Chelsea have signed two new men so far - Antonio Rudiger and Tiemoue Bakayoko have boosted Antonio Conte's side.

It's unlikely that they're done there because striker Diego Costa is expected to leave this summer, so a replacement forward must be brought in.

Then there's Manchester United. It's fair to say Jose Mourinho's side have had an interesting transfer window.

The former Chelsea boss pipped his old club to the signing of Romelu Lukaku, who move to Old Trafford from Everton for £75 million.

The Red Devils have also signed Victor Lindelof, strengthening their back line. But like the Blues, it's suggested that they want to do even more business.

One player that's been strongly linked with moving to Manchester for a number of weeks now is Ivan Perisic.    

According to reports, the Inter Milan forward could soon leave for England, with the two clubs close on agreeing a fee of around £39 million plus add-ons after long negotiations.       

That's exciting news for United fans, but his move wouldn't benefit everyone. Spare a thought for the players he could replace in the starting 11.       

Perisic can be deployed as a winger, attacking midfielder or second striker, meaning he's threatening a number of current United stars for their place on the teamsheet.       

Ahead of the Croatians expected move, Ryan Giggs has named three players he thinks that need to step up if they're to challenge Perisic, should he join.

"It can be a boost for all the players," he told Sky Sports. "It not only excites the fans but also the players, when a new player comes in.

"If he comes, then the likes of Marcus Rashford, Henrikh Mkhitaryan and Anthony Martial have to step it up."

It's fair to say these three players aren't exactly the first names on the teamsheet. And if there's another forward in the mix next season, they could be spending even more time on the bench.