West Ham 2012 stadium interest
It's understood West Ham will still bid to move into the Olympic Stadium but are prepared to stay at Upton Park if they can't negotiate a good deal.
The original deal for the Hammers to take over the stadium collapsed in October.
The club is said to be less enthusiastic about the move as naming rights will now be sold separately.
West Ham and the other 15 interested parties have until Friday to submit their bids