As there were nine games, and four Reds clear in terms of nominations, we have decided to increase our shortlist in order to provide an additional option for supporters.
The quartet competing for the trophy are Casemiro, Diogo Dalot, Lisandro Martinez and Marcus Rashford.
Read a summary of their month's work and get involved via our poll before the results are released on Thursday at 12:00 GMT...
CASEMIRO: 8 (1) apps / 1 gl / 2 MOTMs
The Brazil international may have been eased into life in the Premier League but he is firmly up and running now.