The NFL's competition committee is unlikely to make major changes to the replay system or playoffs this year. More meetings are scheduled later this week as league and team officials convene for the NFL's annual scouting combine at Lucas Oil Stadium. ''There's still a lot of discussion to be done,'' New York Giants owner John Mara said when asked about using one location to determine replay reviews. ''I think it's going to be difficult to get done on that this year.'' Under the current replay system, the lead referee goes under a hood, then makes a decision about whether to overturn the original call. More...