Super Bowl LVII: Here's how the NFL's new overtime rules work - Los Angeles Times
Chiefs vs. Bucs Super Bowl History
The Good, the Bad, & the Ugly: Kansas City Chiefs: Heart-Pounding, Jaw-Dropping, and Gut-Wrenching Moments from Kansas City Chiefs History: Bill Althaus, Len Dawson: 9781572439283: : Books
WATCH: Tim Tebow's 80-yard TD pass to Demaryius Thomas to lift Broncos past Steelers in NFL wild-card game – The Denver Post
Chiefs Replay: Overtime Becomes Sudden Death
The NFL's Overtime Rules Don't Make Sense - The Ringer
Super Bowl LVII: Here's how the NFL's new overtime rules work - Los Angeles Times
Tony Romo, Jim Nantz not up to Chiefs-Bills classic
How does overtime work in the NFL? The rules of overtime in American Football
Chiefs Replay: Overtime Becomes Sudden Death
Bears voted in favor of new OT rule that passed
Chiefs Replay: Overtime Becomes Sudden Death