Leicester were incredible last season but their improvement also coincided with the collapse in form of teams who have challenged for the title recently; Chelsea, United and City. Arsenal and Tottenham are both notorious bottlers, so even though both looked likely to win it at some point it was never going to happen.
The chances of above 3 teams, now that they are all under considerably better management than last season, not performing well this season are very small. Also, the other top 8 teams are looking strong; Southampton always find a way to do well despite always losing their players. Liverpool with Klopp now settled will be better next season. West Ham have made good signings. Everton were awful last season but now they've binned Martinez I expect them to be where they were a couple of seasons ago. All taken account, that's why I don't think Leicester will be near the top 4 this season.
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