And for a large part, Erickson was highly successful, even winning two National Titles during his six-year stint as the head coach of the Miami Hurricanes, but the NFL just wasn't his speed. Erickson ...

Andy Reid, Sean McVay, John Harbaugh, etc. There are even more beloved sideline leaders when you look to the recent past, ...

Jim Tomsula is one of the obvious answers, but can you guess the other head coach the 49ers hired that made this list?