The Hammers have seen Declan Rice develop this season, but with Winston Reid's continued injury woes, another centre back has to be a priority.
Dunk, 26, was born in Brighton and has come up through the ranks with the Seagulls, and has now racked up more than 200 appearances for the club.
Dunk has been a mainstay of Chris Hughton's side this season and has not only started every single game, but hasn't even missed a single minute having enjoyed a season of consistency in terms of both form and fitness.
The centre back has even earned calls for an England spot, and whether Brighton stay in the top flight or not, Dunk is bound to attract major interest.
Dunk may be somewhat cheaper than Swansea ace Mawson, but Brighton will be reluctant to sell their homegrown star – and West Ham may still have to cough up big money if they want the 6ft 4in defender this summer.
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