Olympiakos
West Ham United's Lucas Paqueta scored a late goal to earn his side a 1-0 home win over Olympiakos Piraeus as they retained top spot in Europa League Group A, while Olympique de Marseille won 2-0 at AEK Athens to remain first in Group B on Thursday.
Spurs and Arsenal were both due to play their last-16 first legs away from home on March 11 and the second legs at home a week later.
A stoppage time goal by late substitute Ahmed Hassan gave Olympiakos Piraeus a 1-0 win over 1993 European Cup winners Olympique Marseille.
The last eight will be played in four German cities as part of the mini-tournament, with the final on Aug. 21 in Cologne.
Wolves host Olympiakos Piraeus on Thursday in the second leg of their Europa League last-16 tie which is evenly poised at 1-1
Barcelona's seemingly inevitable passage to the Champions League last 16 was postponed by a determined Olympiakos Piraeus side on Tuesday.
Lionel Messi scored his 100th goal in European competition as Barcelona moved close to qualifying for the knockout stages of the Champions League.