Liam Millar scored twice as Birmingham won a crucial Sky Bet Championship clash 3-0 with QPR at St Andrew's.
Oliver Arblaster's early strike and a strong defensive display saw Sheffield United take all three points from a 1-0 Championship victory over Bristol City at Ashton Gate.
Luke Graham scored his first goal for Stoke as they won 1-0 at Pride Park to pile more pressure on struggling Derby.
James Bree, Lewis Dobbin and Leo Scienza all squandered chances as Southampton dropped points at home for the first time this season with a 0-0 draw against Bolton.
Portsmouth piled on the misery for struggling Norwich as they made it back-to-back Championships victories with a 1-0 triumph at Carrow Road.
West Brom completed a stunning comeback after conceding two early goals as they beat Blackburn 3-2 in the Sky Bet Championship.