This season's UEFA Europa League pacesetters

UEFA.com picks out some key stats about the clubs and teams involved in this season's UEFA Europa League.

Most UEFA club competition appearances
140: Darijo Srna (Shakhtar)

Most UEFA club competition goals
51: Zlatan Ibrahimović (Manchester United)

Most UEFA club competition games as a coach
214: Mircea Lucescu (Zenit)

Most UEFA Cup/UEFA Europa League appearances
51: Raúl García (Athletic)

Most UEFA Cup/UEFA Europa League goals
29: Klaas-Jan Huntelaar (Schalke)

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Athletic coach Ernesto Valverde©AFP/Getty Images

Most UEFA UEFA Cup/UEFA Europa League matches as a coach
55: Ernesto Valverde (Athletic)

Top scorers in qualifying (group stage contenders only)
5: Theo Weeks (Qäbälä) – from eight games
5: Domenico Berardi (Sassuolo) – from four games
5: Kalifa Coulibaly (Gent) – from three games
5: David McMillan (Dundalk) – from six games, all UEFA Champions League

Oldest registered player
39: Francesco Totti (Roma)

Oldest coach
71: Mircea Lucescu (Zenit)

Youngest coach
35: Yannick Ferrera (Standard)

Clubs by association
21: nations represented

Anderlecht are one of four Belgian sides involved©AFP/Getty Images

4: Belgium (Anderlecht, Genk, Gent, Standard), Italy (Fiorentina, Internazionale, Roma, Sassuolo)
3: Austria (Austria Wien, Rapid Wien, Salzburg), Czech Republic (Liberec, Plzeň, Sparta), Greece (Olympiacos, Panathinaikos, PAOK), Netherlands (Ajax, AZ, Feyenoord), Spain (Athletic, Celta, Villarreal), Turkey (Fenerbahçe, Konyaspor, Osmanlıspor)
2: Azerbaijan (Qäbälä, Qarabağ), England (Manchester United, Southampton), France (Nice, St-Étienne), Germany (Mainz, Schalke), Israel (Hapoel Beer-Sheva, Maccabi Tel-Aviv), Romania (Astra, Steaua), Russia (Krasnodar, Zenit), Switzerland (Young Boys, Zürich), Ukraine (Shakhtar, Zorya)
1: Cyprus (APOEL), Kazakhstan (Astana), Portugal (Braga), Republic of Ireland (Dundalk)

Players by nationality
86: nationalities involved

The Netherlands has the most group stage players©Getty Images

99: Netherlands
95: France
75: Spain
64: Belgium
58: Brazil, Italy
56: Czech Republic
55: Austria
47: Romania
42: Israel
39: Turkey
37: Greece, Switzerland, Ukraine
35: Germany
32: Azerbaijan
29: Russia, Serbia
28: Argentina
26: Portugal
23: Kazakhstan, Republic of Ireland
22: England
18: Croatia
16: Nigeria
14: Bosnia and Herzegovina
13: Denmark, Ghana, Sweden
11: Slovakia
10: Colombia, Senegal
8: Cyprus, Ivory Coast
7: Japan
6: Cameroon, Norway
5: Belarus, Poland, Slovenia, Uruguay
4: Albania, Bulgaria, Chile, Mali, Montenegro
3: Morocco, FYR Macedonia, Georgia, Iceland, Northern Ireland
2: Algeria, Armenia, Burkina Faso, Congo, DR Congo, Egypt, Finland, Hungary, Kosovo, Mexico, Paraguay, South Africa
1: Australia, Ecuador, Estonia, Gambia, Guinea-Bissau, Honduras, Iran, Jamaica, Korea Republic, Latvia, Liberia, Libya, Lithuania, Peru, Scotland, Sierra Leone, Tanzania, Togo, Trinidad and Tobago, Tunisia, Uzbekistan, Wales, Zimbabwe

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Shakhtar are the only black and orange side involved©AFP/Getty Images

Clubs by colour
Black, white or black-and-white: Astra, Dundalk, PAOK, Qarabağ, Salzburg, Zorya, Zürich
Mainly yellow: APOEL, Villarreal, Astana, Fenerbahçe, Young Boys
Orange and black: Shakhtar
Mainly green: Konyaspor, Krasnodar, Panathinaikos, Rapid Wien, Sassuolo, St-Étienne
Mainly red: Ajax, Athletic, AZ, Beer-Sheva, Braga, Feyenoord, Mainz, Manchester United, Nice, Olympiacos, Qäbälä, Roma, Southampton, Sparta, Standard
Red and blue: Viktoria Plzeň, Steaua
Mainly purple: Anderlecht, Austria Wien, Fiorentina, Osmanlıspor
Mainly blue: Celta, Genk, Gent, Internazionale, Maccabi Tel-Aviv , Slovan, Schalke, Zenit