Inquiries are ongoing into the reported assault of Aston Villa goalkeeper Robin Olsen.
Despite ending with their lowest ever points total, the Red Devils were ahead of their North West rivals by at least one measure.
The Eagles were among the favourites for relegation at the start of the season following a summer of upheaval.
The former world number three, a finalist at Roland Garros in 2018 and 2019, bowed out in straight sets.