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PHOENIX (AP) – NFL owners shot down nearly every video replay proposal brought to their meetings Tuesday, while approving six safety rules enhancements.

Of the 13 alterations, including extending the number of coaches’ challenges and letting them challenge penalty calls, the only one passed will allow game officials to go to replay for clock issues at the end of a half, game or overtime if more than 1 second is on the clock.

Washington’s suggestion to use replay to review personal fouls was withdrawn.

The owners approved a proposal for stopping play when a medical adviser believes a player is unstable and should be taken off the field. They also approved rules prohibiting players from pushing teammates on the line of scrimmage when the opponent is punting; eliminating all peel-back blocks; and extending defenseless player protection during an interception return.

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