"The amount of games you have is relentless, and I think, you know, we're all going through a phase at the minute where there's been an increase in injuries, there's lots of debates happening about whether we should have five subs in the Premier League," Lallana told Between The Lines podcast.
"The players are the ones that just get 'go on, play another game, play another game in three or four days'.
"I heard Ole Gunnar Solskjaer the other day – they [Man Utd] were in Turkey on the Wednesday [against Istanbul Basaksehir] and then they played on the Saturday at Goodison Park first thing. And I agree with him.
"I don't understand why that needs to happen when it's easy enough for it not to happen, you know, give them the extra day and put it on TV the next day.
"Because the players are the ones that suffer, you know, they're the ones that it feels like they're just getting rolled out every three to four days."