After Alex Gilbey had been sent off for the U’s, hosts Southend took full advantage late on as Anthony Wordsworth, Adam Barrett and McQueen all scored in the final ten minutes to earn Phil Brown’s side the three points.
The win followed on from a midweek victory away to Shrewsbury Town, in which McQueen came off the bench to help seal another important three points for the Shrimpers.
Lloyd Isgrove also enjoyed a positive week – reaching Wembley in the Johnstone’s Paint Trophy before beating Bury 3-0 on Saturday.
Barnsley’s penalty shootout win in midweek against Fleetwood Town ensured Isgrove would have the chance to win the Johnstone’s Paint Trophy for a second time.
After manager Lee Johnson left for Bristol City, the Tykes responded in the best possible way by thrashing Bury. Isgrove played 65 minutes, as goals from Marley Watkins, Sam Winnall and Adam Hammill sealed the win.
Jordan Turnbull returned to the Swindon Town side on Saturday as they drew 0-0 with promotion-chasing Gillingham away from home.
The defender missed Swindon’s 1-0 defeat to Port Vale in the week, but was restored to the line-up away to the Gills and helped keep Justin Edinburgh’s side at bay.
After featuring as a late substitute for his debut in a 1-1 draw with Millwall in midweek, Ryan Seager made his first start for Crewe on Saturday.
The striker played his part in helping the Railwaymen make it four games unbeaten by beating Rochdale 2-0 thanks to goals from Marcus Haber and Brad Inman.
Jack Stephens made his debut for Coventry City on Sunday, as they drew 1-1 with Port Vale away from home.
Sam Kelly’s late equaliser for Vale denied Stephens a winning start after Coventry had taken the lead through Jacob Murphy in the first half.
In League 2, Jason McCarthy’s Wycombe Wanderers suffered a home defeat to Luton Town.
Cameron McGeehan’s superb strike was the difference between the two teams, as Gareth Ainsworth’s side slipped to tenth in the table.
In the Championship, Gastón Ramírez was an unused substitute as Middlesbrough drew 1-1 with Blackburn Rovers.
Jordi Gomez opened the scoring for Rovers, but David Nugent levelled matters just seven minutes later to earn Boro a share of the spoils.