Choosing his moment perfectly, the striker took one touch before planting a right-foot shot past keeper Jack Butland inside the post.
Nigerian wingback, Victor Moses, who had a good game, provided the assist for one of Morata's goals.
Alonso could have had no complaints had he been shown a second yellow, but Conte was not prepared to take any chances with Chelsea due to face Manchester City at Stamford Bridge next Saturday.
"We are aware about the difficulty of the task, we know that every week we are going to have more games in our legs, we will be more exhausted, there will be unexpected things along the way, but hopefully we will be able to fight for all the trophies and manage to win as much as possible". A unusual situation. Look, I was a player and I think this can happen, this type of period, if you are not so lucky and receive red cards.
Munster thumped by ruthless Glasgow in PRO14
Grigg's try arrived after Munster had been reduced to 14 players following the sin-binning of Billy Holland . Munster were beaten for the first time this season as they suffered a heavy defeat in Glasgow.
The Gunners are the only side to keep the Blues' attackers quiet this term, though, with exactly two goals being scored in each of their previous four league fixtures, as well as a combined 11 against Qarabag and Nottingham Forest in the Champions League and EFL Cup respectively. For a striker, that's important.
Former Chelsea winger Nevin was very impressed by Morata's cool finish for the opening goal against the Potters.
"It's great he got a hat-trick".
And just like Costa, Morata was back in his own area heading balls to safety when required.
"He has a hamstring injury which has hindered him this week, so we are going to have to check up on him this afternoon and then make a decision".
"Diego Costa is not easy to replace and I don't think you can replace him with someone exactly in his mould", the former England worldwide told Goal .
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