Premier League clubs' second XIs: Which team has best squad depth?

After their unbeaten start to the 2017/18 Premier League season, Stewart Robson explains why Manchester United are favourites for the title.With plenty of football to play before now and the end of the season, the top Premier League clubs will need to dig deep to stay in the hunt for major trophies. But which of them has the best reserve list to call upon outside the starting XI?

Here, ESPN FC's club correspondents report on their clubs' squad depth.

CHELSEA Second XI: Caballero, Zappacosta, Rudiger, Christensen, Clarke-Salter, Kenedy, Drinkwater, Fabregas, Musonda, Batshuayi, Willian.

The Blues don't have too many young reserve players as they are all out on loan.By replacing Asmir Begovic…