"It is hard job to play against a team that dominates the possession - and he tried", Mourinho said of his striker.
"He tried, and of course he missed his chance with an open goal but he scored his goal", Mourinho told a news conference.
"He had a good fight against two good central defender and I am happy with this period and how he fits into - I am never exhausted to repeat - an unbelievable group".
The former England full-back believes that Antonio Conte's side is now weaker than it was last season, when they won the Premier League, and could not understand the reasoning behind Chelsea letting the Serbian leave for £40million.
"There are a lot of variables that aren't easy but from the outside, it does seem odd to let that player go to a direct rival - and he will improve them".
Arsenal have kept hold of their Chile forward Alexis Sanchez but he will be missing for the opening match of the season on Friday against visitors Leicester City, whose key player Riyad Mahrez has also been the subject of transfer speculation.
"To try to develop things that we normally don't do and in this moment there are so many teams playing with three in the back and wing-backs that probably sometimes we have to play that way".
"I heard whispers at the back end of last season that he wanted to go and even if the club can not come out and say too much about that, maybe there was an element of that in play here when this deal went through".
Trump makes false claims about USA nuclear arsenal
We all know that President Trump doesn't think very highly of most mainstream polls in America. "Alarming thing to lie about". Popular Video This young teenage singer was shocked when Keith Urban invited her on stage at his concert.
Tropical depression forms off the East Coast
If wind speed grows to 39 miles per hour , the National Hurricane Center it would become Tropical Storm Gert. Tropical Depression Eight formed a couple hundred miles northeast of the Bahamas on Saturday night.
Stocks Claw Back Gains but North Korea Keeps Pressure on
The Nasdaq Composite, meanwhile, was facing its worst week since the one ended December 2, which logged a loss of just over 2%. The single-session equity put/call ratio jumped to 0.83 - the highest since April - and the 21-day moving average rose to 0.65.
Redskins shelve Murphy, sign Staples for receiver help
Trent Murphy's 2017 season was set to start with a four-game suspension for violating the NFL's performance-enhancing drug policy. According to Adam Schefter, Murphy suffered a torn ACL and MCL which will require season-ending surgery.
European markets open lower on Friday
The single-session equity put/call ratio jumped to 0.83 - the highest since April - and the 21-day moving average rose to 0.65. The CBOE Volatility Index (VIX), widely considered the best gauge of fear in the market, popped almost 11 percent to 11.02.