The 24-year-old enjoyed his best goals-ever season in the 2020-21 season when he scored 28 times, falling only three times behind Golden Shoe winner Ivan Toney.
Armstrong is standing shortly before entering the final year of his contract at Ewood Park and Blackburn, he will be careful not to lose his striker for free next summer due to current interest from several Premier League clubs.
Football Insider reports that Norwich and Southampton are the two favorites to get his signature, with Everton also among the clubs interested in Armstrong.
Blackburn will reportedly set a transfer fee in the order of £ 15million for the PFA’s Player of the Year – Accept fans who briefly played in the top division for Newcastle United.
Since arriving at Ewood Park in 2018, Armstrong has scored 64 goals in 160 games for the club.