54%

Not even great athletes win all the time.

This month, a graduation speech by tennis star Roger Federer went viral. In it, he told graduates that

“In tennis, perfection is impossible. In the 1,526 matches I played…I won almost 80% of those matches…what percentage of POINTS* do you think I won in those matches? Only 54%. In other words, even top-ranked tennis players barely win more than half the …