Rule changes

[Old School]

https://en.wikipedia.org/wiki/2015_NFL_season


Allow a certified medical trainer to call a medical time-out when a player appears disoriented and/or concussed. This time-out is not to be charged to the team whose player is injured, even inside the two-minute warning. The only substitution allowed is for the injured player and for a single player from the opposing team to match up.
Making the practice of a receiver declared ineligible lining up in the slot formation illegal; ineligible receivers must line up inside the tackle box. This was in response to the New England Patriots using this tactic in the 2014-15 NFL playoffs against the Baltimore Ravens

 

[Old School]

The following changes to the extra point rules were passed for the 2015 NFL season at the owner's meeting on Tuesday, May 19, 2015:[SUP][7][/SUP]

• The line of scrimmage for extra point tries will move to the 15-yard line from the two-yard line. Two-point conversions will still be spotted at the two-yard line.
• Defenses will be allowed to return turnovers on two-point tries or blocked PAT kicks to the opposing end zone for two points, mirroring the NCAA rule adopted in the 1988 season.

The following changes to game ball protocol were passed for the 2015 NFL season on Monday, July 27, 2015.[SUP][8][/SUP]

• There will be increased testing, oversight and security surrounding the balls. At random games, officials will measure the PSI of 24 footballs at halftime. Two officials, instead of only the referee, will measure and record the inflation of footballs before the game. These changes were made in response to the "deflategate" scandal.