Burnley lost Michael Keane to Everton for £30m this summer - and didn't even feel the need to replace the England international.
Leeds United could potentially be gearing up for a Premier League campaign this summer.
The Burnley star is not a regular at Turf Moor and Forest must tighten up at the back.
Burnley have reportedly blocked Tarkowski's departure to West Bromwich Albion, with Wolverhampton Wanderers among several Championship sides circling.
The Clarets will hope that offering James Tarkowski and Tendayi Darikwa will convince Derby County to sell.
Sheffield Wednesday have been a busy club this month.
Brentford’s James Tarkowski has been linked with Burnley, Sheffield Wednesday and West Bromwich Albion.
Sheffield Wednesday and West Brom have reportedly joined the race for Brentford's James Tarkowski.
HITC Sport understands Fulham have made a bid for Brentford defender James Tarkowski.
James Tarkowski believes that Button will make it in the Premier League.