We have reached matchday six in the Champions League and there are still four last-16 spots yet to be decided heading into the final round of group games.
Bayern Munich, Benfica, Chelsea, Club Brugge, Borussia Dortmund, Inter Milan, Liverpool, Manchester City, Napoli, Paris Saint-Germain, FC Porto and Real Madrid have all secured their places in the knockout stages.
The Bavarians, the Blues and the Citizens are the only teams to have wrapped up top spot in their respective groups, but Napoli are also set to go through as winners as long as they avoid a heavy defeat at Liverpool.
Tottenham will be hoping to join their Premier League rivals in the last-16, but they still have some work to do in France and failure to get a positive result could see them finish in third.
|What||Marseille v Tottenham Hotspur|
|Where||Stade Velodrome, Marseille|
|When||20:00, Tuesday 1st November|
|How to watch||BT Sport 2|
|Odds||Marseille 15/8, Draw 12/5, Tottenham 11/8|
It is all still tightly packed in Group D, with Tottenham currently leading the way on eight points, one clear of both Sporting Lisbon and Eintracht Frankfurt and another point ahead of Marseille in fourth.
Such is the nature of the group, Spurs could actually finish in third should they fall to a defeat in France and either Eintracht or Sporting pick up a win in their encounter. A draw for Sporting would also see them through if Tottenham lose to Marseille.
There is a lot on the line on Tuesday and Italian tactician Antonio Conte will be hopeful his side can keep the momentum going from Saturday's victory over Bournemouth, who gave up a 2-0 lead to lose 3-2 at the Vitality Stadium.
Marseille are struggling for form and have failed to win any of their last four matches across all competitions, but they did beat Sporting 4-1 in their last home Champions League contest and a vociferous home crowd will be hopeful of getting the victory that would see them progress.
|What||Shakhtar Donetsk v RB Leipzig|
|Where||Stadion Wojska Polskiego|
|When||17:45, Wednesday 2nd November|
|How to watch||BT Sport 1|
|Odds||Shakhtar Donetsk 15/4, Draw 31/10, RB Leipzig 4/6|
Shakhtar Donetsk are third in Group F heading into the clash against second-place RB Leipzig in Poland on Wednesday, three points behind the Bundesliga outfit.
The Red Bulls know they will be into the last-16 if they avoid defeat, while a victory could see them finish top if Real Madrid fail to beat Celtic at the Santiago Bernabeu.
However, everything could come crashing down for Leipzig and a defeat to Shakhtar would see the Ukrainian side overhaul them into second place.
Igor Jovicevic's troops are on a five-game unbeaten run across all competitions and they defeated Leipzig 4-1 in matchday one.
|What||AC Milan v FC Salzburg|
|Where||San Siro, Milan|
|When||20:00, Wednesday 2nd November|
|How to watch||BT Sport 4|
|Odds||AC Milan 8/15, Draw 16/5, FC Salzburg 5/1|
Chelsea have already locked up top spot in Group E with a game to spare, but the battle for second has gone right down to the wire AC Milan, who currently hold that position, one point ahead of FC Salzburg.
The Rossoneri only need a point to ensure their place in the next round of the competition, but a defeat would see Salzburg overhaul them and take their place in the last-16.
Salzburg are unbeaten in their last nine away matches across all competitions and they will fancy their chances of getting the better of Milan, who suffered a 2-1 defeat at Torino at the weekend.
Stefano Pioli's side have been a bit hit-and-miss at home in recent weeks, winning three and losing two of their previous five assignments, while they have just one win from their last eight Champions League games at the San Siro.
Visitors Salzburg showed fight in the 2-1 loss to Chelsea in matchday five and they will see this as a great opportunity to book their place in the next round.
At 5/1 the Austrian outfit present good value and they may just produce a performance that is good enough to get the better of Milan.