West Brom suffered a shock defeat to Wigan that leaves Leeds breathing down their necks and Fulham not far behind in the Championship.
After West Brom won on Tuesday, second-placed Leeds United moved back within four points of the Championship pacesetters.
The Championship's top two - Leeds United and West Brom - won again on Saturday to strengthen their grip on the automatic promotion places.
Rhian Brewster scored to give Swansea City a late lead at Hull City, but the hosts hit back to secure a point on Friday.
Leeds United come away from Brentford with a commendable point, while Nottingham Forest suffered a shock home defeat.
Wigan Athletic enjoyed another trip to Elland Road on Saturday, beating Leeds United to give West Brom the chance to go top.
Manchester United got Odion Ighalo on loan, West Ham spent big on Jarrod Bowen and Marko Pjaca left Juventus on deadline day.
West Ham left it late to complete one of the biggest deals of deadline day, signing Hull City's in-demand forward Jarrod Bowen.
Leeds sit at the top of the table after a hectic night in the Championship, which saw Wayne Rooney score his first goal for Derby.
Frank Lampard saw Chelsea make hard life for themselves in an FA Cup win at Hull City, where better finishing would have fended off a scare.