With an all-Williams Wimbledon final very possible, I thought about how rare their greatness is.
Plenty of us play sports but few ever make it to the ranks of professional. Even fewer are those who make it and are able to dominate at the highest level.
Now imagine the odds of siblings making it to the pros and excelling at a Hall of Fame level.
There have been some formidable sports siblings before, but often one of the siblings is great and the other is average or more often than that both siblings are just average.
Siblings in the professional ranks include the DiMaggio brothers, the Alomars, Niekros, and Pedro and Ramon Martinez of Major League Baseball; the Sutters, and Staals of the NHL; the Wilkins, Barrys and Grants of the NBA; and the Barbers, Matthews', and Golics of the NFL to name a few.
Here's my list of the five greatest sports siblings of all time.