Fulham have made an offer of £1.75m for Brentford central defender James Tarkowski, according to reports.
The Lilywhites conceded 81 goals last season, with just Blackpool conceding more, and manager Kit Symons is believed to be looking to bolster the defence.
Get West London claims that Brentford are looking for £3m for the 22-year-old.
Tarkowski joined Brentford from Oldham Athletic in January 2014, and has made 47 appearances.