NFL's free-agent frenzy: wild times in NFL - The San Diego Union-Tribune
How to think about football and analytics like a coach, not a fuddy-duddy
John Urschel, the Penn State math whiz who also happened to play football, retires from NFL
Pro Football Focus ranks John Harbaugh as one of the best coaches in NFL
John Harbaugh's coaching decisions cost Ravens at worst time, NFL
Baltimore Ravens 2023 Media Guide by Baltimore Ravens - Issuu
Harbaugh Details His Decision To Kick Instead of 2-Point Conversion
Tension Mounts at The Castle - Russell Street Report luncheon
John Harbaugh: We're Better Than That
Baltimore Ravens John Harbaugh: “Analytics” debate about two-point conversion and fourth down decisions is all wrong.
Filmstudy - Baltimore Ravens Talk
Two-point Obsession Becoming A Fool's Choice for John Harbaugh and the Ravens - Talk Of Fame
Packers Clinch Playoff Berth as Ravens Again Play the Odds - The New York Times
Ravens HC John Harbaugh Talks Lamar, OBJ, New Kickoff Rule & More with Rich Eisen
John Harbaugh 'forbids' high-level math for Ravens players