Spurs are unbeaten in their last five games in European competition against Greek teams (W3 D2), having lost two of the previous three between 1972 and 2011 (D1).
Tottenham have never drawn a UEFA Champions League group stage game at home, with the north London side winning 10 and losing four.
Olympiakos are winless in 12 UEFA Champions League games (W0 D2 L10), although one of the two games in which they've avoided defeat in this run was against Spurs on MD1, a 2-2 draw.
Tottenham's Son Heung-Min has scored five UEFA Champions League goals this season - he is the first Asian player to reach the tally in a single season in the competition.
Olympiakos have lost each of their last six away UEFA Champions League games, last enduring a longer run between September 2001 and December 2003 (eight in a row).
Tottenham's Harry Kane has scored five goals in his last three appearances against Greek teams in European competition, after failing to net in his first two such games. Kane opened the scoring via the penalty spot against Olympiakos this season.