We discuss Patriots tight end Rob Gronkowski's head injury. Was the hit that knocked him out of Sunday's AFC Championship game dirty? Is it possible to legislate those types of hits out of football? Will he be available for the Super Bowl?
Then, why New Jersey Devils center Brian Boyle's return to the TD Garden will be so meaningful for him and his family.

Boston area listeners, join the Endless Thread team on July 25 for a behind-the-scenes look at our five-part series, "Infectious: The Strange Past and Surprising Present of Vaccines – And Anti-Vaxxers." Event info: https://wbur.fm/2XXJIts