The winger, who could feature in each of England’s upcoming friendlies against Switzerland and Ivory Coast, was on target in City’s most recent encounter as we progressed to the FA Cup semi-finals.
Sterling’s strike in our 4-1 triumph away to Southampton was his 14th of another impressive individual campaign in which he also surpassed 100 goals in the Premier League.
Speaking on a recent Matchday Live broadcast, Sinclair declared the City man among the finest currently plying their trade in the top flight, pointing to his fitness levels and constant desire to improve as crucial factors in his assessment.
“I’m so pleased (with Sterling’s form), but I’m not surprised because he’s done it throughout his career,” the former England international explained.
“The spotlight is so fiercely on him all the time because of the standards he sets himself, so whenever he does dip slightly below that, people are on him for whatever reason.
“(But) you hear managers talking about him throughout his career, whatever the game is, he will come in the next day and work his socks off.
“He’s got that about him and he will always be successful (because of it).
“He’s a bit of a freak as well in terms of his physique and the way that he's able to – touch wood - not get injured and play games every three days.
“He’ll give you everything and he’s one of the best players in the Premier League, there’s no doubt.”
The City midfielder believes the education he will have received when working his way up the ranks, particularly in a physical sense, will stand him in good stead throughout the rest of his career.
“When you look at the size of him, even coming through the academy he’s had to pick up skills that we wouldn’t have had to pick up.
“He can’t out strength people so he needs to know exactly where he is, where the ball is, where the players around him are.
“He’s got that in abundance, but he’s got stronger now and he’s got quicker so people have got problems now because he’s still got that skillset.
“He’s got too many gears to his game.”