Which leagues send players off most?

Red cards per match. The answer is a continent, not a country.

Liga MX (México) sends players off more often than any other: 0,403 red cards a match.

Which leagues send players off most?
League	Reds per match	Matches
1. Liga MX México	0.403	149
2. Campeonato Grego de Futebol Grécia	0.325	120
3. Liga Profesional Argentina Argentina	0.316	374
4. Primeira Liga Portugal	0.294	299
5. Jupiler Pro League Bélgica	0.294	235
6. Campeonato Turco de Futebol Turquia	0.29	303
7. Campeonato Romeno de Futebol Romênia	0.27	178
8. Campeonato Ucraniano de Futebol Ucrânia	0.266	128
9. Ligue 2 França	0.255	369
10. A-League Austrália	0.248	133
11. Segunda Divisão Espanhola Espanha	0.243	457
12. Campeonato Italiano de Futebol - Série A Itália	0.243	371
13. Campeonato Austríaco de Futebol Áustria	0.24	171
14. Ligue 1 França	0.232	370
15. Premiership Escócia	0.214	192
16. Serie A Brasil	0.206	374
17. Campeonato Italiano de Futebol - Série B Itália	0.204	461
18. Super League China	0.191	236
19. La Liga Espanha	0.188	378
20. Campeonato Dinamarquês de Futebol Dinamarca	0.185	173

Showing the major competitions. Include every competition

Second yellows count as the red they produce, exactly as the provider records them. Cups are left out: a cup draws an amateur side against a champion, which is a different game.