Super Eagles vice-captain William Troost-Ekong was among the goal scorers as Watford cruised past Luton Town 4-0.
Watford wasted no time in scoring the first goal as a short pass from Sarr to Kamaru was crossed into the box for a beautiful acrobatic kick by Davis to net the opener in the third minute.
It was not until the 45th minute when Watford played a short corner before the ball was whipped towards the far post and headed back into 2 yards for Ekong to tap in for the second goal.
Luton Town goalie Horvath made a terrible error in the box as his attempted pass could only get to Jao Pedro who made no mistake in blasting the ball inside the net for the third and put the game beyond Luton Town.
Senegal’s Ismailia Sarr cut into the box to drag three defenders away before shooting into the bottom corner for the fourth goal