Internazionale - Marseille
Marseille have beaten Inter by the same scoreline of 1-0 in each of their three meetings (the previous two games in the 2003/04 UEFA Cup quarter-final).Marseille are the only team with a 100% record against Inter Milan in European competition (excluding qualifiers).
Marseille have never scored more than once in their 15 encounters against Italian opposition in Europe (excluding Intertoto Cup).
Inter have failed to win their last three Champions League games (one draw, two defeats).
The Nerazzurri have won just one of their last five Champions League home games, losing four times.
Marseille are the only team to have won a Champions League game this season after going two goals behind (following their crucial 3-2 win over Borussia Dortmund).
Inter have won four and lost seven of their last 12 Champions League matches.
Marseille have kept nine clean sheets in their last 13 Champions League games.
Four out of OM's last five Champions League goals have come from dead-ball situations.
Marseille have won four of their last six Champions League games on the road (one draw, one defeat).
Inter's last four Champions League goals have been scored by four different Argentine players (Samuel, Milito, Álvarez and Cambiasso).
Andre Ayew has scored 50% of Marseille's Champions League goals this season (four out of eight).
Marseille have recorded the worst shooting accuracy amongst teams who have qualified for the Last 16, hitting the target with just 37% of their attempts.
Bayern Munich - Basel
Bayern had won the first four meetings between these two sides before Basel won the 1st leg by 1-0.Basel are unbeaten in four Champions League games (one draw followed by three consecutive wins), thus setting a new club record.
Bayern have won ten of their last 11 Champions League home matches.
In the 1st leg Basel kept a clean sheet for the 1st time in this Champions League season, they had been the only team to reach the Last 16 without a clean sheet.
Bayern have never lost both legs of a knockout round in the European Cup/Champions League.
Basel are the first Swiss side to reach the knock out stage in the Champions League era.
Bayern's Franck Ribery and Basel's Xherdan Shaqiri have been fouled more often than any other players in this season's Champions League (23 times each).
Nine of Bayern's 11 goals have been netted in the first half, the highest proportion in the Champions League this season (82%).
The 1st leg win was Basel's first win against German opposition in Europe (two draws, four defeats).
Basel have lost just one of their last eight matches in Europe, winning each of the last three.
Alexander Frei has netted eight goals in just 12 Champions League appearances (excluding qualifiers).
Mario Gomez has scored 14 goals in his last 12 Champions League appearances (excluding qualifiers).
Real Madrid - CSKA Moscow
Real Madrid have qualified to the Champions League knockout stage for the 15th consecutive season, currently the longest run.The Russian side have never lost a European match against Spanish opposition, winning three and drawing three.
This is only CSKA's second appearance in the Last 16 of the Champions League. In 2009/10 they eliminated a Spanish side - FC Sevilla - winning the 2nd leg 2-1 on the road after a 1-1 home draw.
After an away draw in the 1st leg of a knockout round, Real have progressed in 11 out of 12 cases in the history of the European Cup. In 1991 though, Spartak Moscow eliminated Madrid with a 3-1 away win at the Bernabeu following a goalless draw in Russia.
Real Madrid have lost just one of their last 20 Champions League games, but the draw in the 1st leg was the 1st game they failed to win this season - after 18 points and a +17 goal difference in the group stage, the best Champions League group stage performance in history.
All three goals Madrid have conceded in Champions League this season have come in the last 10 minutes of play.
Real haven't conceded a first-half goal in their last 21 Champions League games.
CSKA are unbeaten in Champions League away games this season (one win, two draws), but they failed to keep a clean sheet in 11 of their last 12 Champions League away fixtures.
Real have won eight of their last nine Champions League home games.
Madrid have kept five clean sheets in their seven Champions League matches this season (more than any other side).
Real Madrid have kept 13 clean sheets in 19 Champions League games under Jose Mourinho.
Jose Mourinho has lost just three of his last 32 matches as a coach in the Champions League, with all three defeats at the hands of Barcelona.
50% of CSKA Moscow's Champions League goals this season have been scored by Seydou Doumbia (five out of 10).
Chelsea - Napoli
The Blues have won just three of their seven Champions League matches this season despite having taken the lead in all seven games.Chelsea have won all three home games though, scoring 10 goals without reply.
However, the Londoners have failed to score in each of their last three Champions League home games in the knockout stages.
For the 1st time since 1966 (four straight wins in the Fairs Cup) have Napoli won three consecutive games in European competition.
Both sides have scored in each of their seven Champions League games this season.
Napoli have the best conversion rate in this season's Champions League, scoring with 22% of their shots.
Six of the seven goals Napoli have shipped this term in the Champions League have been conceded in the first half.
The Blues have drawn Italian opposition in two of the last three seasons at this stage, beating Juventus in 2008/09 and losing to Inter in 2009/10.
Didier Drogba has scored four goals in his last four Champions League appearances, but failed to score in the 1st leg.
Edinson Cavani (five goals, two assists) had a hand in seven of Napoli's 13 Champions League goals this season, including all three goals in the 1st leg.
