The Rugby Football League's match review panel has clamped down on foul play, leading to confusion and frustration among players, coaches and fans.
Four more suspensions were issued after the latest round of fixtures with St Helens losing Sione Mata'utia and Morgan Knowles.
Castleford Tigers' Cheyse Blair received a two-game ban following his red card against Warrington Wolves, while Salford Red Devils prop Sam Luckley picked up a one-match suspension for a trip in the win over Catalans Dragons.
Every team has been affected this season but there is a big difference between the best and worst behaved clubs.
Here, The Yorkshire Post tots up the number of bans picked up by each Super League club this season.
Castleford Tigers' Cheyse Blair received a two-game ban following his red card against Warrington Wolves, while Salford Red Devils prop Sam Luckley picked up a one-match suspension for a trip in the win over Catalans Dragons.
![The defending champions play on the edge, which is reflected in the number of bans they have picked up. (Picture: SWPix.com)](https://www.yorkshirepost.co.uk/webimg/QVNIMTI2NDM0NTg3.jpg?crop=3:2&width=640)
9. St Helens - 11 bans
The defending champions play on the edge, which is reflected in the number of bans they have picked up. (Picture: SWPix.com) Photo: (Picture: SWPix.com)
![The Tigers have struggled to stay out of trouble this year, with prop Liam Watts responsible for four of the bans. (Picture: SWPix.com)](https://www.yorkshirepost.co.uk/webimg/QVNIMTI2NDM0NTg4.jpg?crop=3:2&width=640)
10. Castleford Tigers - 11 bans
The Tigers have struggled to stay out of trouble this year, with prop Liam Watts responsible for four of the bans. (Picture: SWPix.com) Photo: (Picture: SWPix.com)
![Discipline has been a major issue for the Black and Whites, leaving Brett Hodgson without four suspended players for last week's hammering at Wigan. (Picture: SWPix.com)](https://www.yorkshirepost.co.uk/webimg/QVNIMTI2NDM0NTg5.jpg?crop=3:2&width=640)
11. Hull FC - 13 bans
Discipline has been a major issue for the Black and Whites, leaving Brett Hodgson without four suspended players for last week's hammering at Wigan. (Picture: SWPix.com) Photo: (Picture: SWPix.com)
![Leeds are not down in ninth spot due to ill-discipline alone but it has hurt the Rhinos throughout the campaign, with James Bentley and Matt Prior (three separate bans each) the worst offenders. (Picture: SWPix.com)](https://www.yorkshirepost.co.uk/webimg/QVNIMTI2NDM0OTkw.jpg?crop=3:2&width=640)
12. Leeds Rhinos - 16 bans
Leeds are not down in ninth spot due to ill-discipline alone but it has hurt the Rhinos throughout the campaign, with James Bentley and Matt Prior (three separate bans each) the worst offenders. (Picture: SWPix.com) Photo: (Picture: SWPix.com)