Northampton stunned Saracens 31-24 at rain-soaked Allianz Park to go back to the top of the Aviva Premiership.
Jim Mallinder was thrilled with Northampton's first half display as they beat Saracens to go back to the top.
Premiership leaders Northampton Saints travel to fourth-placed Saracens in Sunday's game of the day at Allianz Park.
Owen Williams earned a 21-21 draw for Leicester with the last kick of a turgid Aviva Premiership clash against Saracens.
Saracens boss Mark McCall believes the officials robbed his side of an Aviva Premiership victory at Leicester.
Jackson Wray is wary of a Leicester backlash when high-flying Saracens visit Welford Road on Sunday.
Sunday's Aviva Premiership bill sees Leicester Tigers host Saracens and London Welsh travel to face Wasps.
Ben Spencer kicked seven penalties to see Saracens record a 21-9 victory over the Ospreys in the LV= Cup at the Gnoll.
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