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Harry Redknapp believes Tottenham will provide Manchester City with their toughest test of the season.
City followed up their victory over bitter rivals Manchester United last weekend by thrashing Swansea on Wednesday night to make it a record 15 consecutive wins in the Premier League.
Pep Guardiola's side have dropped only two points all season, but Redknapp reckons Spurs have a real chance of halting the runaway leaders' charge.
"Spurs is going to be a big test for Man City," the north London club's former manager told talkSPORT.