Last season, Harbaugh was at the college level, leading the Michigan Wolverines to a national championship. However, there was a time not that long ago when the Chargers head coach was leading the San Francisco 49ers to a Super Bowl.

After being 2-2 at the bye week, the Chargers have won three of four — including two straight by at least 17 points — and are playing their best football of the season. The biggest reason for the Chargers' turnaround has been something that Harbaugh has preached from when he was hired as head coach on Jan. 24 — mental toughness.

His protection, his safety, there’s probably nothing I think about more than that,” Chargers coach Jim Harbaugh said about Herbert.