Bristol City's relegation from the Championship has been confirmed after they lost 1-0 at home to Birmingham City.
Wade Elliott scored the only goal of the game in the 16th minute.
Two other West Country sides will now fight it out to replace City in the Championship. Swindon are a step closer to confirming their place in the play-offs after a 4-1 win over Crewe.
Adam Rooney scored twice in the first half with Massimo Luongo and James Collins also on target.
And Lee Johnson's Oldham beat his father Gary as Yeovil lost 1-0 at Boundary Park.