Jurgen Klopp called for clarity on time-wasting offences after Trent Alexander-Arnold was booked for taking too long over a throw-in during Liverpool's draw with Chelsea on Sunday.
While Bayern Munich made headlines with the signing of Harry Kane from Tottenham their attention is still fixed on a critical goalkeeping dilemma.
Referees' boss Jon Moss apologised to Gary O'Neil and told him Wolves had been denied a 'blatant' penalty in 1-0 loss to Manchester United.
Manchester United held on to a 1-0 win over Wolves, who were unlucky not to get on the scoreboard at Old Trafford on Monday night.
West Ham have announced the signing of midfielder James Ward-Prowse from Southampton.
Mauricio Pochettino insisted Chelsea have put the disappointment of last season behind them after watching his new-look team open their Premier League campaign with a 1-1 draw against Liverpool at Stamford Bridge.