Everton are currently sixth in the table after eight games of the season.
Tottenham came away from their game with West Brom with a 1-1 draw.
The Newcastle United star bagged two assists in the win over Brentford.
West Ham United edged out Crystal Palace on Saturday night.
David Hay has advice for Celtic regarding signing players in the January transfer window.
The former Liverpool man was part of Koeman's coaching staff at Southampton.
Ayling shone as Leeds fell to a narrow defeat at the iPro Stadium.
West Ham United were 1-0 winners over Crystal Palace on Saturday.
Arsenal defeated Swansea City 3-2 at the Emirates Stadium.
Tottenham Hotspur battled back to seal a hard-earned point against a very determined West Bromwich Albion side on Saturday.