Benfica have won their last five European home games, though three of these have been by the odd goal.
Going back further, the Portuguese giants have lost only two of their last 15 at the Estadio de Luz (W11 D2), with those defeats coming against Barcelona and Chelsea.
Benfica's one previous home meeting with Fenerbahce was back in September 1975 - they won 7-0.
Since that victory, the Eagles have only twice hosted Turkish opposition; they beat Altay S.K. 4-0 in 1980 but lost 0-2 against Galatasaray in 2008.
Indeed overall, Turkish teams have won three and lost none of their last four trips to Portugal (excluding qualifiers) in Europe.
Fenerbahce have won 13 and lost just two of their last 20 European games.
The Yellow Canaries have kept five clean sheets in their last seven games in the Europa League, conceding just two goals in total in this run.
Away from home, Aykut Kocaman's side are unbeaten in Europe this term, winning four, drawing two and conceding just three goals.
Oscar Cardozo has scored six goals in Europe this season, despite only starting six games.
Despite playing only seven games in the competition, Benfica have seen their woodwork hit a joint-high seven times in the Europa League this term.
Chelsea v Basel
Chelsea only managed 39% possession in their first leg against Basel, but still managed twice as many shots on target (6-3).
Fernando Torres has scored seven goals in 13 appearances in Europe this season; he has managed seven in 32 in the Premier League.
Chelsea are unbeaten in 12 European home games (W10 D2) and in 16 against non-English sides (W13 D3).
The Blues have only managed one clean sheet in their last nine at Stamford Bridge in Europe, however, shipping exactly one in each of their last four.
In 28 European home games played by English sides against teams from Switzerland in Europe (excluding qualifiers), there has only ever been one away win: West Brom 1-3 Grasshoppers Zurich in September 1981.
Despite this, the last three clashes between English and Swiss sides on English soil have ended level, with Basel themselves drawing two of those encounters.
The Swiss side have only won one of their last 12 European away games (D7 L4).
Despite only entering after the Champions League group stages, Chelsea have conceded a joint-high four penalties in the Europa League this season.
Basel have received more cards than any other team in the Europa League this term (30 yellows, three reds).
Fernando Torres has scored six goals in his last five European home games.
