Competition committee proposing disqualification of a player penalized twice in one game for unsportsmanlike conduct. Adam Schefter ?@AdamSchefter Mar 17Competition committee proposing to permanently move extra-point attempts to defensive team's 15-yard line, and allow defense to return miss. Adam Schefter ?@AdamSchefter Mar 17Competition Committee proposing that all chop blocks be made illegal. Adam Schefter ?@AdamSchefter Mar 17Baltimore proposing that each team be provided with three challenges while expanding reviewable plays. Adam Schefter ?@AdamSchefter Mar 17Washington proposing the elimination of overtime in preseason games (like that).These changes were approved.Permanently moves the line of scrimmage for Try kicks to the defensive team's 15-yard line, and allows the defense to return any missed Try.Permits the offensive and defensive play callers on the coaching staffs to use the coach-to-player communication system regardless of whether they are on the field or in the coaches' booth.Makes all chop blocks illegal.Expands the horse collar rule to include when a defender grabs the jersey at the name plate or above and pulls a runner toward the ground.Makes it a foul for delay of game when a team attempts to call a timeout when it is not permitted to do so.Eliminates the five-yard penalty for an eligible receiver illegally touching a forward pass after being out of bounds and re-establishing himself inbounds, and makes it a loss of down.Eliminates multiple spots of enforcement for a double foul after a change of possession.