Two Sunderland players walk yellow-card tightrope against Chelsea
Two Sunderland are tonight walking a yellow-card tightrope for the visit of Chelsea.
Didier Ndong misses out serving a one-match suspension after picking up his fifth yellow of the season in the 3-0 defeat at Swansea City.
Two other Sunderland players are also on four yellow cards that are set to be involved tonight; right-back Billy Jones and midfielder Steven Pienaar.
Injured Lynden Gooch, out with ankle ligament damage is also on four yellow cards but he is set to be out for up to three months.