The Western Bulldogs are reportedly set to offer Adelaide young gun Jake Lever a multi-million dollar deal as the 21-year-old is out of contract at the end of the season.

The Crows defender has previously told the club he was keen to begin negotiations once again given the CBA deal was recently finalised, although the Dogs are keen to swoop in and snatch him up before he recommits.

Channel 7 News reported on Tuesday night that Lever would be the subject of a five-year, $850,000 deal to join the Bulldogs next season.

The defender has been a big reason of the Crows' rise up the table in 2017, and is number five in intercept possessions across the league this season.

A hamstring problem hampered him earlier on this year, but Lever has returned to play 11 matches, and is averaging 16.5 disposals and 6.1 marks a game.

Lever was taken with the 14th pick in the 2014 National Draft, and has played 47 games for the Crows since making his debut in round six, 2015.