1 / 10

Vontae and Vernon Davis - Vontae and Vernon Davis may not be friendly when they meet on the field, but their bond as brothers is always clear during their time off. Vernon is part of the San Francisco 49s, so he is a reigning NFC Champion!See the champ, Vernon Davis on 106 & Park tonight! (Photo: Rick Diamond/Getty Images for Tide)

2 / 10

Jon and Art Jones  - Jon Jones had no choice but to become an athlete seeing as how his big brothers are both NFL players. The upstate New York native is one of the most talented and youngest UFC Champions in history and his brother Art is a new Superbowl Champion. Talk about good genes! (Photos from left: Kevin Winter/Getty Images, NFL via Getty Images)

Photo By Photos from left: Kevin Winter/Getty Images

3 / 10

Venus and Serena Williams - Venus and Serena Williams turned the sports world upside down in the '90s when they stepped on the tennis scene. Never had there been two female players so athletic and precise. Now, years later, the sisters have dominated the game and made history time and time again.    (Photo: AP Photo/Joel Ryan)

4 / 10

Jason and Devin McCourty - Like the real life Doublemint twins, Jason and Davin McCourty have conquered the NFL together. The brothers are members of the Tennessee Titans and the New England Patriots and are doing big things in the league. They aren't hard on the eyes either! (Photo: Mark Von Holden/Getty Images for ESPN)

5 / 10

Peyton and Eli Manning - Peyton and Eli Manning are two of the best quarterbacks of all time. Both brothers have been Super Bowl champions and are far from retiring. Here's to a few more years on top! (Photo: Astrid Stawiarz/Getty Images)

6 / 10

Cheryl and Reggie Miller - Reggie Miller was a big deal when he was an Indiana Pacer, but his sister Cheryl was an even bigger deal and is one of the most well-known and successful female basketball players and coaches of all time. Talk about well-respected! (Photo: Jim Rogash/Getty Images)

7 / 10

Candace and Anthony Parker - Candace Parker is the wildly successful WNBA player and retired NBA star Anthony Parker is her big brother. The duo definitely has made a splash in sports and baby sister Candace isn't quite done yet. (Photos from left: Christian Petersen/Getty Images, The Plain Dealer /Landov)

Photo By Photos from left: Christian Petersen/Getty Images

8 / 10

Tiki and Ronde Barber - Like Jason and Devin McCourty, Ronde and Tiki Barber are twin brothers that took over the NFL with their talent. Tiki and Ronde were great athletes, great to look at and, most importantly, both brothers were accomplished scholars. Take notes, student athletes. (Photo: Jim McIsaac/Getty Images)

9 / 10

Brook and Robin Lopez - It's one thing to have identical twins, but when the twins are both 7 feet tall and the stars of the Brooklyn Nets and New Orleans Hornets, you've got something special on your hands. Los Angeles natives Brooke and Robin Lopez are two of the best players in the league and definitely a sight to see when they hit the court. (Photo: Scott Wintrow/Getty Images)

10 / 10

Rodney "Boss" Bailey and Roland "Champ" Bailey  - With nicknames like "Boss" and "Champ" the Bailey brothers were destined to take the NFL over and be successful. (Photos from left: NFL Photos, Hannah Foslien/Getty Images)

Photo By Photos from left: NFL Photos