Leeds United have only occasionally signed players from fellow English clubs over the past few transfer windows, with most of their new recruits coming from overseas.

One player who was brought in from another Premier League club, though, is Dan James, who arrived from Manchester United last summer for a reported fee of £25m.

In 32 league appearances throughout his debut season at Elland Road, the Welshman ended up scoring just four goals and delivering four assists along the way.

Bearing in mind how Leeds only scored 42 goals in the league last term, leaving just four other teams with fewer, the Whites could use the remainder of the summer transfer window to add some extra firepower to Jesse Marsch's squad.

One man who has been mentioned with a move to Leeds and who could help them in that department and potentially be an upgrade on James is Watford winger Ismaila Sarr.

The Hornets signed the winger from French club Rennes for a reported fee of £40m three years ago.

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To compare his previous season with James', the Watford star racked up a higher percentage for shots on target than the Wales international, also recording a greater number of successful dribbles and a higher distance in terms of carrying the ball towards the opponents' goal.

Even though James played 12 more league games than Sarr, the latter only delivered one fewer cross than the Leeds winger, which just goes to show how much of a consistent attacking threat the Senegalese wizard is, and can be for the Whites if he comes to Elland Road.

Hailed as a "scary" player by Ben Foster in terms of his attacking ability, the Watford winger certainly has the credentials to be a useful asset for Leeds and provide them with a greater threat in front of goal throughout the new season.

Despite having a steep reported price tag of £40m, it could be worth making an approach to Watford to see if they would be willing to cash in on their attacking star and allow him to return to the Premier League over the next few weeks.

If Leeds are able to secure Sarr's signature, it would not only top off what has been an impressive summer window from the Whites, but also provide them with what would appear to be an upgrade on James.