Video replay, satellite radio and 11th hour roster changes are hallmarks of the 2006 Canadian Football League season.
The Canadian-designed Instant Replay System gives each team two chances to challenge a referee's calls during a game before the final three minutes of the second half.
Instant replay reviews in the final three minutes of regulation are at the discretion of the league's video replay official.
Only a failed second challenge will mean a team loses a time out.
Referees will view contested plays using a monitor in a field level booth. They have up to 90 seconds to reach a verdict. Among the many plays that can be reviewed are those involving uncertain end zone possessions, first downs and pass completions.
Video replay was used last week to confirm Roughrider Jamal Richardson didn't score a touchdown on the fourth quarter's second play. Upon review, that play stood as originally called.
Same as Jamal Johnson's fumble recovery touchdown, which started as a Kerry Joseph fumble later in the quarter.
Roughriders' head coach Danny Barrett wanted it ruled an incomplete forward pass.
* It's easy as 123 (or 186) to listen to two dozen games live on Sirius Satellite Radio.
* The league's new salary management system allows 42-player rosters plus a four-player reserve. Coaches have until an hour before kickoff to file the active roster.
Last year's cutoff for the 40-player list was 48 hours before game time.