Craig Burley has been quite “surprised” by one thing he’s seen from Chelsea’s Nicolas Jackson so far this season. Chelsea have made a pretty steady start to the campaign as they adjust to life under a new head coach. For Enzo Maresca, he must be content to see his side pick up 10 points from five Premier League games. The form of Nicolas Jackson, 23, has definitely been one of the biggest positives so far. Jackson, who’s now into his second year at Stamford Bridge, has already scored four league goals this campaign and created two assists. This included an excellent brace last weekend during a…