Which leagues send players off most?

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

Liga Portugal (Portogallo) sends players off more often than any other: 0,391 red cards a match.

Which leagues send players off most?
League	Reds per match	Matches
1. Liga Portugal Portogallo	0.391	304
2. Primera División de México Messico	0.384	333
3. Prem'er-Liga Russia	0.342	240
4. Pro League Belgio	0.288	326
5. Liga Profesional Argentina Argentina	0.28	492
6. Ligue 1 Francia	0.274	376
7. Serie B Italia	0.253	388
8. Süper Lig Turchia	0.252	369
9. Lega saudita professionistica Arabia Saudita	0.251	235
10. LaLiga Spagnola Spagna	0.245	376
11. Ligue 2 Francia	0.243	367
12. Serie A Italia	0.237	380
13. Segunda División Spagna	0.232	457
14. Super League Svizzera	0.231	182
15. Prem'er-Liha Ucraina	0.231	143
16. Bundesliga Austria	0.225	191
17. Premiership Scozia	0.211	232
18. Serie A Brasile	0.201	374
19. Liga I Romania	0.192	308
20. Super League Cina	0.184	174

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.