Chelsea boss Thomas Tuchel says the Premier League should increase substitutions to five.
During Project Restart in 2020, England's top-flight allowed for teams to use five substitutes a match with players' fitness not yet up to speed following a prolonged pause in the season.
"For us it's the same situation as for anyone else," he told Sky Sports. "We have concerns, because we are not only football players and coaches, we are also fathers and have family members so we are also concerned and have doubts and fears.
"Still we are privileged to do our jobs and do what we love the most so it's kind of in between. I'm very impressed with how the team takes it.
"I just can say on this occasion I would love to push for five substitutions because five substitutions were made to protect the players when coronavirus popped up and made life difficult.
"I think the situation is very serious and very challenging so if we decided to keep on playing at least we should have five changes to control the load."
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