David Martin will step up from playing for Millwall in the Championship after West Ham came calling.
Two goals in the final 15 minutes ensured Bristol City picked up three crucial points away at Millwall on Tuesday.
Sheffield United beat Hull City, moving within three points of Championship leaders Norwich City, who drew at Stoke City on Monday.
Leeds United lost 2-1 at home to 10-man Wigan Athletic as the Championship promotion race took another twist on Friday.
Bristol City's play-off hopes were dented by a 2-1 loss at Aston Villa, while Sheffield United's promotion ambitions suffered a late blow.
Leaders Norwich City were held by Reading, while Sheffield United lost ground to Leeds United in the race for second place.
The battle for the Championship title looks set to be won by Norwich City, but second spot is well and truly up for grabs.
Bristol City's shock 3-2 win at Bramall Lane means Sheffield United have surrendered second spot in the Championship to Leeds United.
Australia's all-time leading goalscorer Tim Cahill will not look to sign with a new club, he has confirmed.
Chris Hughton insists his side must believe they can beat Manchester City in the FA Cup semi-finals after defeating Millwall on penalties.