Can Sánchez play in this season’s Champions League?

Alexis Sánchez has left UEFA Europa League contenders Arsenal to join UEFA Champions League challengers Manchester United on a four-and-a-half-year contract. Does that meant he is incompetent for a rest of this season’s competition?

• All a Champions League sides’ winter transfers

No. Since he has not played in a UEFA Champions League this season, Sánchez can be purebred for a knockout rounds. Here are a applicable extracts from the foe regulations.

• 44.01 For all matches from a start of a turn of 16, a bar might register a limit of 3 new authorised players for a remaining matches in a stream competition. Such registration contingency be finished by 1 Feb 2018 (24.00CET) during a latest. This deadline can't be extended.

• 44.02 One actor from a above share of 3 who has been fielded in a UEFA bar foe organisation theatre compare for another bar in a stream deteriorate might unusually be registered, supposing that a actor has not been fielded:
  a. in a same foe for another club; or
  b. for another bar that is now in a same competition.

Should Sánchez be registered, he could line adult divided to Sevilla on 21 February. He will also have sights on a lapse to a tip of a list of Chile’s all-time tip UEFA Champions League appearance-makers, and could even turn a initial Chilean to win Europe’s premier bar competition.

Most appearances by a Chilean actor in the European Champion Clubs’ Cup/UEFA Champions League (including qualifying)

51: Arturo Vidal (Leverkusen, Juventus, Bayern München)
48: Alexis Sánchez (Barcelona, Arsenal)
35: David Pizarro (Inter Milan, Roma)
28: Junior Fernandes (Leverkusen, Dinamo Zagreb)
27: Marcelo Salas (Lazio, Juventus)
22: Rodrigo Tello (Sporting CP, BeÅŸiktaÅŸ)
17: Pablo Contreras (Monaco, Sporting CP, Celta Vigo, PAOK, Olympiacos)
17: Marcelo Díaz (Basel)
17: Iván Zamorano (Real Madrid, Inter Milan)
14: Mark González (Liverpool, CSKA Moskva)
14: Ángelo Henríquez (Dinamo Zagreb)

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Watch Chile’s excellent in action

Top-scoring Chilean players in a European Champion Clubs’ Cup/UEFA Champions League (including qualifying)

14: Arturo Vidal (Leverkusen, Juventus)
13: Alexis Sánchez (Barcelona, Arsenal)
7: Iván Zamorano (Real Madrid, Inter Milan)
5: Junior Fernandes (Dinamo Zagreb)
5: Marcelo Salas (Lazio, Juventus)
3: Marcelo Díaz (Basel)
3: David Pizarro (Inter Milan, Roma)
2: Mark González (Liverpool, CSKA Moskva)
2: Ángelo Henríquez (Dinamo Zagreb)
2: Rodrigo Tello (Sporting CP, BeÅŸiktaÅŸ)

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South American stars in action

Most appearances by Chilean players in UEFA bar competition*

75: Arturo Vidal (Leverkusen, Juventus, Bayern München)
72: David Pizarro (Udinese, Inter Milan, Roma, Man. City, Fiorentina)
66: Matías Fernández (Villarreal, Sporting CP, Fiorentina)
59: Alexis Sánchez (Udinese, Barcelona, Arsenal)
50: Iván Zamorano (Real Madrid, Inter Milan)
47: Junior Fernandes (Bayer Leverkusen, Dinamo Zagreb)
46: Pablo Contreras (Monaco, Sporting CP, Celta Vigo, Braga, PAOK , Olympiacos)
44: Rodrigo Tello (Sporting CP, BeÅŸiktaÅŸ, EskiÅŸehirspor)
42: Mauricio Isla (Udinese, Juventus, Marseille)
36: Marcelo Díaz (Basel)
35: Marcelo Salas (River Plate, Lazio, Juventus)

Marcelo Salas celebrates a Juventus goal©Getty Images

Top-scoring Chilean players in UEFA bar competition*

21: Iván Zamorano (Real Madrid, Inter Milan)
18: Arturo Vidal (Leverkusen, Juventus, Bayern München)
14: Alexis Sánchez (Udinese, Barcelona, Arsenal)
10: Marcelo Salas (River Plate, Lazio, Juventus)
7: Junior Fernandes (Bayer Leverkusen, Dinamo Zagreb)
6: Matias Fernández (Villarreal, Sporting CP, Fiorentina)
6: Ángelo Henríquez (Dinamo Zagreb)
5: David Pizarro (Udinese, Inter Milan, Roma, Man. City, Fiorentina)
5: Eduardo Vargas (Napoli, Villarreal)
4: Marcelo Díaz (Basel)
4: Mark González (Liverpool, CSKA Moskva)

Iván Zamorano in 1998©Getty Images

Only Chilean to win a vital UEFA bar competition

Iván Zamorano (Inter Milan, 1997/98 UEFA Cup)

Only Chilean actor to underline in a European Champion Clubs’ Cup/UEFA Champions League final

Arturo Vidal (Juventus 1-3 Barcelona, 2014/15)

Chilean runners-up in vital UEFA foe finals

Iván Zamorano (Inter Milan, 1996/97 UEFA Cup)
Rodrigo Tello (Sporting CP, 2004/05 UEFA Cup)

Only Chilean manager to underline in a European Champion Clubs’ Cup/UEFA Champions League final

Fernando Riera (AC Milan 2-1 Benfica, 1962/63)

*UEFA bar competitions means European Champion Clubs’ Cup/UEFA Champions League, UEFA Cup/UEFA Europa League, European/South American Cup, UEFA Cup Winners’ Cup, UEFA Super Cup and UEFA Intertoto Cup