Nottingham Forest are now as short as 3/1 in places to win the Championship after leapfrogging the Baggies into second place, five points behind leaders Newcastle.
The Magpies remain odds-on to win the division but outside of the top three, the prices begin at 20/1 for anyone else to gatecrash the party.
The Reds are as short as evens to be promoted back to the Premier League.