The Chiefs hat and shirt were easy enough to order. For Reid’s walrus-like mustache, the Leepers cut the mane of a toy horse and tried to tape a bushel of hair to Graham’s upper lip. Graham, like any sensible baby, resisted that move. So the Leepers taped the tuft to Graham’s pacifier—“his little binky,” B.J. says—to keep it in position.

There are very few coaches in NFL history that have the same postseason success that the Kansas City Chiefs head coach has.