Mauricio Pochettino says that Tottenham need to do something different, earmarking January as a chance to fix his "unsettled" squad following the team's recent troubles.
Spurs fell on penalties to Colchester United in Tuesday's Carabao Cup clash as the Champions League runners-up were eliminated by the League Two side.
That defeat was Spurs' second in a matter of days, having fallen 2-1 to Leicester City in another lethargic effort.
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Prior to that, there was a two-goal collapse against Olympiacos in the Champions League as Spurs have struggled since a 4-0 win against Crystal Palace on September 14.