By Editor Wayne Veysey | Former Evening Standard, Press Association and Goal chief correspondent with 17 years experience of breaking big stories, including exclusives like this

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Cameron Borthwick-Jackson and Guillermo Varela are close to agreeing new Manchester United contracts, Football Insider sources understand.

The rookie Manchester United defenders are both in talks with the club about extended deals that will give them significant pay rises.

A United source has told Football Insider manager Louis van Gaal has sanctioned new agreements for the young full-backs after being impressed how they have adapted to first-team football this season.

As revealed by Football Insider last month, left-back Borthwick-Jackson is in negotiations with the club about signing a £12,000-a-week deal that will run until 2020.

Borthwick-Jackson’s first professional contract is due to expire in the summer and is set to be replaced by the new agreement, which will be worth £2.5million.

Varela, who was blocked by Van Gaal from a deadline-day loan move to Genoa, is also in talks about a deal to replace his current agreement, which expires in 2018.

Left-back Borthwick-Jackson, 19, has made nine appearances for United since breaking into the first team in November and has impressed after getting his chance following a series of serious injuries sustained by the club’s senior full-backs.

Cameron Borthwick-Jackson has chosen a humble means of transport to drive to training

Fast lane: Borthwick-Jackson is making quick strides in his Manchester United career

Varela, 22, played the full 90 minutes of last Friday’s 3-1 FA Cup fourth-round win over Derby after stepping in for the injured Matteo Darmian.

But Darmian was restored to the starting line-up at right-back in Tuesday’s 3-0 win over Stoke, with Varela an unused substitute.

The Premier League club have been beset by a series of injuries to their full-backs, with Luke Shaw, Antonio Valencia, Marcos Rojo, Phil Jones and Ashley Young all long-term absentees.

Uruguayan Varela, who is principally a right-back, was the first signing made by former manager David Moyes and spent last season on loan at Real Madrid’s B team Castilla.