The Spanish striker scored a hat-trick in a 4-0 away win at Stoke. 'I was prepared for this substitution in my mind to win the game.
Stoke's initial work to stay within one goal's reach of the Blues after 30 minutes suffered another setback, however, when Darren Fletcher's chest backward on the edge of his own box was pounced upon by Pedro.
Morata, meanwhile, took to Twitter after the game to also thank supporters.
Stoke increased the pressure after the break, but former Real Madrid striker Morata doubled his tally with a brilliant solo goal to end home hopes of a revival.
He could provide the flare, skill and tenacity that was missing against Arsenal and offer the Blues the flawless cushion ahead of next week's crunch Champions League game with Diego Costa's new club, Atletico Madrid.
Hughes rested a lot of players in the midweek Carabao Cup tie against Championship side Bristol City and subsequently lost 2-0. A clash in the Diouf and he went down holding his face despite there being no contact.
The game wasn't as one-sided as the score would suggest, and if anything, Stoke had the better of the play, but when it came down to it, Chelsea were ruthless in front of goal - scoring with all four of their shots on target, and therefore theydeserved their victory.
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Chelsea got forward and Azpilicueta, now playing left wing-back, almost found his opposite number Moses with a cross to the far post. Vardy then squandered a chance to secure the Foxes a draw when his penalty was saved by Simon Mignolet. The hat trick goal was a typical centre-forward's effort, with a predatory tap-in from 6 yards. Fabregas was the architect with a lofted pass to Azpilicueta who chested down and his compatriot finished from close range.
Many fans were quick to point out he has already done enough to replace Costa...
Morata has so far proved to be an able successor and Conte said: " I think Alvaro played very well and he took his goals very well, which for a striker is very important.
Subs not used: Grant, Berahino, Tymon, Afellay, Adam, Souttar.
Andreas Christensen and Antonio Rudiger formed a central back three alongside Azpilicueta, with Victor Moses and Marcos Alonso to the left and right, respectively, and Gary Cahill settling for a place on the bench.
Substitutes: Caballero, Cahill, Zappocosta, Fabregas, Musonda, Hazard, Batshuayi.
Booked Shaqiri 49, Crouch 89.