http://www.nj.com/giants/index.ssf/2015/03/nfl_rule_changes_heres_what_has_been_amended_so_fa.html
• Proposal No. 10 ‐ Game clock should be reviewable on the final play of a half or overtime to instant replay system (Submitted by Tennessee)
• Proposal No. 16 ‐ Prohibit players from pushing teammates in attempts to block punts (Submitted by Baltimore)
• Proposal No. 18 &dashl Expand prohibition of illegal "peel back" block to all offensive players (Submitted by Miami)
• Proposal No. 19 ‐ Give an intended defenseless receiver protection in the immediate action following an interception (Submitted by competition committee)
Proposal No. 21 ‐ Make it illegal for a running back to chop block a defenseless opponent outside the tackle box (Submitted by the competition committee)
Adam Schefter