West Brom dominated against Birmingham but could not score, while Louie Sibley and Rhian Brewster produced heroics for Derby and Swansea.
As well as scoring twice against Middlesbrough in the Championship, Rhian Brewster made a powerful statement.
Arsenal reportedly must decide on Pierre-Emerick Aubameyang's future by next month amid Real Madrid links.
Marcelo Bielsa was a happy man after Leeds won on the same day West Brom and Fulham had to settle for draws 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.
Just three points separate the top five in the Championship after promotion-chasing Fulham, Brentford and Nottingham Forest secured wins.
Manchester United got Odion Ighalo on loan, West Ham spent big on Jarrod Bowen and Marko Pjaca left Juventus on deadline day.