Manchester United and Manchester City were amongSBOBET the five clubs that voted against bringing the transfer deadline forward, Sky Sports News understands.
Swansea, Crystal Palace and Watford were the other Premier League sides to go against the two-thirds majority, with Burnley abstaining from voting altogether, according to Sky sources.
Fourteen clubs voted in favour of implementing next summer's transfer deadline to August 9 - two days before the beginning of the 2018-19 season - on Thursday.
But it appears that at least three of the five that SBOBETwent against - United, City and Swansea - voted in contradiction to their own managers Jose Mouinho, Pep Guardiola and Paul Clement.
Premier League executive chairman told Sky Sports News on Thursday that the Premier League's managers were overwhelmingly in favour of the changes, and all three of the above spoke out in support at some point during the summer.
Mourinho said in August: "As aSBOBET
football manager and not a market man - somebody who wants to work with the team and the players - I would prefer the window to close as soon as possible.