Chelsea captain Gary Cahill has said keeping players fit will be crucial in the upcoming season, with the Premier League club's first-team squad looking light on numbers compared to rivals.
The match programme for Sunday's Community Shield at Wembley showed Chelsea listing 17 fewer players than opponents Arsenal.
"The back of the programme was interesting," Cahill, 31, said. "In terms of quality we've certainly got that and you just have to hope we don't have too many injuries."
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Chelsea have signed striker Alvaro Morata, midfielder Tiemoue Bakayoko, goalkeeper Willy Caballero and defender Antonio Rudiger but manager Antonio Conte has suggested he would like to strengthen further.
"The new players that have just come are going to be vitally important for us and the quicker they settle the better but there's no doubt we have added quality to the team," Cahill said.
With Chelsea returning to the Uefa Champions League, Cahill believes the current squad will be under pressure to sustain title bids on both domestic and European fronts.
"They're going to be tested, 100 per cent," he said. "Rest is going to be important because we're going to have a lot of games, and we players are in control of the way we prepare ourselves. The other stuff outside of that is none of our business."
Chelsea kick off their league campaign at home to Burnley on Saturday.
* Reuters
