This was one of those victories which will have given Rodgers extra satisfaction as it was an often frustrating evening against a resilient Watford team, who remain bottom of the table.
After the dismissal of Quique Sanchez Flores last weekend, Watford needed a response, yet it was still a ninth defeat in 15 matches. These are worrying times for the Hertfordshire club, whose form since last season’s FA Cup Final has been appalling.
Watford were the victors in Rodgers’s first game in March, when hopes were infinitely higher under the management of Flores’s predecessor Javi Gracia, but the progress since then for Leicester has been remarkable.
They should have made it a more comfortable evening after just 118 seconds.
Vardy was given far too much room in the Watford area and he presented Ayoze Perez with a simple finish from eight yards, only for the £30million attacker to fire the ball over the crossbar. It was a miss which set the tone for an often excruciating evening.
Watford’s game-plan was clear, to defend in numbers and break on the counter-attack, with winger Ismaila Sarr attempting to pressurise Leicester left-back Christian Fuchs, in for the injured Ben Chilwell.
It was frustrating Leicester, who were lacking their trademark intensity, and the home team’s irritation only increased when Vardy collapsed under a challenge from Adrian Mariappa and was booked by referee Craig Pawson.