The Blues were unable to find a breakthrough at Stamford Bridge, despite holding a numerical advantage for the last 20 minutes of the contest after Foxes defender Ben Chilwell received his marching orders.
The rivalry began escalating since then.
"I am fully committed in this and I am happy in what I am doing now and what I did in the past". But I'm very with his commitment and I'm very happy with his behaviour during the training sessions. "But at the end I think the result was fair".
April 2017: As Chelsea closed in on the title, Conte offered Mourinho, who spent over £150 million on new signings, a reminder. What followed next pounced the wrong nerve as Manchester United manager admitted that yes he has made mistake in the past, but at least he was never "suspended for match-fixing".
The Italian hit back: "I think he has to think about his team and start looking at himself, not others".
Conte responded by accusing Mourinho of being "fake" and "a little man". "Or you can expect contempt", Mourinho told reporters.
Asked about Mourinho's "contempt" comments following Saturday's goalless draw with Leicester, Conte said: "I think that I said (I'd) stop the story".
James Ward-Prowse scored a first half brace to hand the Saints a two-goal lead into the break but goals from Andre Gray in the 58th minute and a stoppage time equaliser from Abdoulaye Doucoure secured a crucial point for the Hornets. The Australian is concerned that Conte could be suffering from the much dreaded "second season" syndrome, much like former Chelsea boss Carlo Ancelotti did earlier this decade.
The duo's row has added extra spice to Chelsea's trip to Old Trafford later this season, which is scheduled to be on Sunday, February 25 unless the Blues reach the final of the Carabao Cup. The atmosphere will be worth watching.