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• The only knockout-stage berth up for grabs on Tuesday is in Group D, where Copenhagen leads Rubin Kazan by one point for the runner-up spot behind Barcelona. Likely needing a win and a Copenhagen tie or loss to Panathinaikos, Rubin plays at Camp Nou, which appears to be a mortal blow to the Russian club's hopes of advancing. However, Rubin won there last season and has drawn its other two games against Barcelona. Strangely enough, that is Rubin Kazan's only away win in its five Champions League matches over the past two seasons.
• Tottenham and Schalke have both clinched berths in the Round of 16 and will top their groups with a win on Tuesday. They will be the only teams to reach the Champions League knockout stage this season after not participating in UEFA competition last season.
• The runner-up spot in Group E is between Roma and Basel, with the Italian side needing a point or a Basel loss at Bayern Munich to advance. Roma has reached the knockout stage three years running, losing to an English club each time. Basel is the only Swiss club ever to advance past the Champions League group stage, which it did in 2002-2003.
• Shakhtar Donetsk leads both Arsenal and Braga by three points in Group H, the only group with both knockout-stage berths still available. Shakhtar needs only a draw to become the first Ukrainian club to advance past the Group Stage since Dynamo Kiev in 1999-2000.
• Arsenal holds the head-to-head tiebreaker over Braga and therefore needs only to match the Portuguese side's result to move on. The Gunners have history on their side, having advanced past the group stage for 10 straight seasons. The only club with a longer current streak is Real Madrid, which has already advanced for the 14th straight time.