NFL team owners to mull changes to extra-point kick and other rules

Despite a record-breaking season amid apparent competitive balance, there is a push for some changes to rules in pro football. Moving the line of scrimmage to the 25 is one unlikely to pass this time.ORLANDO, Fla. — The NFL set scoring and yardage records last season — the league loves that — and had all the hallmarks of competitive balance, including 48% of games that were decided by seven points or fewer, the fourth-most in history.