Sheffield United defender Chris Basham believes the introduction of the five substitutes rule could hit the Blades' chances of securing European football next season.
Basham's side begin the Premier League's return from the coronavirus lockdown at Aston Villa on Wednesday night, sitting in seventh place in the Premier League just five points behind fourth-placed Chelsea.
But the 31-year-old is concerned the new FIFA rule - designed to help clubs better manage the hectic fixture list - will favour those sides with more resources at their disposal.
Basham told BBC Radio Five Live: 'I think the substitutes thing that has come in will affect us a little bit because we are not going to be as strong as the top six sides.