Four rules changes for safety
- All chop blocks are now illegal
- Horse collar tackle expanded to include the area “at the nameplate and above”
- Retroactively designate IR player as “designated to return”
- Moving the touchback on kickoffs to the 25-yard line
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Dr. David Chao is a former NFL head team physician with 17 years of sideline, locker and training room experience. He currently has a successful orthopedic/sports medicine practice in San Diego.