Antonio Rudiger complained of racist abuse during December's match at Tottenham and the German fears fans will continue to avoid justice.
It was a good day for Chelsea's top-four hopes as they beat Tottenham, while Sheffield United dropped points at home.
Chelsea got the better of Tottenham at Stamford Bridge, but not before the returning Jose Mourinho had anticipated the home side's system.
Jose Mourinho highlighted Tottenham's issues after losing to Chelsea: "Zero strikers on the pitch, zero on the bench, zero in the stands."
The failure to send Giovani Lo Celso off in Chelsea's win over Tottenham left Frank Lampard furious.
Having started just twice previously in the Premier League this season, Olivier Giroud returned to the Chelsea XI and grabbed a vital goal.
Jose Mourinho had never suffered a league double defeat during his long managerial career until he was schooled by Frank Lampard once again.
Olivier Giroud returned to the starting XI and the scoresheet in the nick of time for Chelsea, inspiring a precious win against Tottenham.
Chelsea may have a young squad, but Frank Lampard does not believe inexperience is the reason for their recent struggles.
Jose Mourinho discussed the race to finish in the Premier League's top four as Tottenham prepare to face Chelsea.