Knockout phase facts and figures

As Iker Casillas celebrates his 500th appearance for Real Madrid CF, UEFA.com takes its pick of the statistics involving sides in action in this week's UEFA Champions League first knockout round ties.

0 Wins for ACF Fiorentina in Germany ahead of Wednesday's trip to FC Bayern München. Their record stands at one draw and three defeats.

2 Goals conceded by FC Girondins de Bordeaux, making their back line the competition's meanest. FC Porto and Olympique Lyonnais have shipped just three goals in their six games.

3 Successive seasons that Lyon have been eliminated in the first knockout round.

3 Goals Bayern keeper Hans-Jörg Butt has scored against Juventus in Europe following his Matchday 6 effort.

4 Ligue 1 titles Madrid striker Karim Benzema won with Lyon.

4 AC Milan have beaten Manchester United FC each of the four times they have met over two legs in Europe.

5 Successive wins for Fiorentina in the UEFA Champions League, a run shared with Bordeaux.

6 Years since Madrid last reached the UEFA Champions League quarter-finals.

6 Goals the competition's leading scorer Cristiano Ronaldo has picked up.

10 Successive campaigns in which Arsenal FC have advanced from the initial group stage.

11 Matches Porto were unbeaten at home to English opposition before being defeated by Manchester United in last year's quarter-finals. They lost to Chelsea at the Estádio do Dragão in the group stage.

15 Manchester United's unbeaten run on their travels in the UEFA Champions League, discounting the 2008 and 2009 finals. They have won nine and drawn six.

15 Goals accrued so far by Madrid, the competition's leading scorers.

21 League goals for Wayne Rooney this term, surpassing his highest total for a season of 16 set in 2005/06.

23 Shots on goal from Milan, fewer than any other side in the first knockout round.

30 Years since Fiorentina last reached the European Champion Clubs' Cup quarter-finals.

51 Goals out of a total of 238 that have come between 76 and 90 minutes in the UEFA Champions League this season.

68 Fouls committed by Manchester United, the fewest in the competition. They have also collected less yellow cards (6) than any other team in the last 16.

107 Fouls committed by Madrid, more than any other team in the last 16. They also collected 17 yellow cards in the group stage, the highest total.

150 The first leg against Lyon is Madrid's 150th UEFA Champions League match, group stage to final.

394 Appearances Milan midfielder David Beckham made for Manchester United.

400 Michael Owen's third goal at VfL Wolfsburg on Matchday 6 was Manchester United's 400th in the European Champion Clubs' Cup.

500 Casillas made his 500th appearance for Real Madrid in their weekend victory over Xerez CD, fittingly keeping a clean sheet in a 3-0 triumph.

Find out more in UEFA.com's UEFA Champions League statistics section. and in the latest UEFA Champions League Matchweek Stats Pack.