Getty ORCHARD PARK, NEW YORK - SEPTEMBER 07: Head coach John Harbaugh of the Baltimore Ravens yells down field against the Buffalo Bills during the first quarter at Highmark Stadium on September 07, 2025 in Orchard Park, New York. (Photo by Bryan Bennett/Getty Images) John Harbaugh has blown 17 double-digit, second-half leads as head coach of the Baltimore Ravens , which is the most by any coach since at least 1991. And after one of those blown leads was viewed by a large a national audience on