Interest in the 29-year-old has grown over the past fortnight, with Manchester City understood to have seen two bids rejected and Leicester City also failing with an official approach.
Man City are expected to return with a third offer of £30m, matching the Baggies’ asking price, but The Telegraph reports that they could face late competition for his signature from Arsenal.
The Gunners saw an offer for Evans rejected last year, but Arsene Wenger has now reportedly reignited that interest following his side’s 4-0 thrashing at the hands of Liverpool on Sunday.
Arsenal have not yet submitted an official bid for the Northern Ireland international, but have enquired as to his availability.
Evans is yet to make an appearance for the Baggies this season due to injury.