Back in the day, it took some potent talent-backed hubris to guarantee a goal, a win or a championship.
Babe Ruth did it and we were in complete awe. Joe Namath did it and we were somewhat in awe. Mark Messier did it and we felt a smidgen of awe. But now every over-hyped narcissist seems to be making a promise.
Note to players, owners, coaches, and yeah, even you porn stars (click on to find out more): sports guarantees are just plain goofy.
Now showing: the most vacuous vows in recent sports history.