For every club, every season, there is that one pivotal moment that dramatically changes the outlook.
For Arsenal, last season, that moment was the 2-0 win against Bayern Munich at the Allianz Arena - a performance that went on to inspire a late charge for fourth spot.
For Manchester United the season before, that spark was ignited by a 4-4 draw against Everton, gifting Manchester City the chance to close the gap and go on to win the title.
It's too early for these key moments to take place this term, but where will they happen for each of the title contenders this season?
We take a look at five key dates that can make or break a season for five title contenders.