Sometimes, only an athlete is the perfect partner in life for another athlete, and when a union takes place, us mere mortals can only sit back and fantasize about their future offspring. Take a look at our sports royalty, superb athletes who have found a partnership. Just like with all true royalty, not all of these unions last, but we can dream.

When you've won eight Grand Slam singles titles and 60 ATP titles, made over $31 million in prize money and you're still the second-most successful tennis player in your household, you know you've found the right lady. Agassi and Graf married in 2001 and have two children.

She's won two World Cups, two Olympic golds and four NCAA titles. He won consecutive batting titles and AL Rookie of the Year and made six All-Star teams during his MLB career. Married in 2003, the two are parents to twin girls born in 2007.

With her dunking skills and his defensive prowess, there's a good chance their child will be 11 feet tall and average 50 rebounds a game. But a Blue Devil with a Lady Vol? If they can overlook it, so will we.

When is being a professional baseball catcher no big deal? When your wife has two Olympic golds and is half of the duo considered to be the greatest beach volleyball team of all time.

Finch, a star softball pitcher and Olympian, and Daigle, a big league pitcher, found their own field of dreams and married in 2005. Their son has the perfect name for a child of two pitchers in love: Ace.

In 1978 Nancy Lopez won the LPGA Rookie of the Year, Player of the Year, and the Vare Trophy all in the same season. Four years later she married All-Star third baseman Ray Knight. Lopez and Knight have three children.

The soccer vs. football battle is alive and well in the Feeley household. St. Louis Rams quarterback A.J. Feeley married two-time NCAA All-American and two-time Olympic gold medalist Heather Mitts in 2010.

Hook 'em horns! Sanya Richards, a two-time Olympic gold medalist in track and field, met husband Aaron Ross, a New York Giants cornerback, back in 2003 while they both attended the University of Texas. They married in 2010.

Daughter of boxing legend Muhammad Ali and a star in the ring in her own right, Laila Ali was floored by the former NFL player and married him in 2007. They have two children together.

This short-lived union between the golden girl of tennis and "The Shark" of golf was great while it lasted, offering the world a peek at the romance between two elite athletes in two elite sports. But the 18-month marriage ended in 2009 almost as quickly as it began.

She has gold: an Olympic medal in figure skating. He has silver — Stanley Cup silver, that is — as a member of the 2005-06 Cup champion Carolina Hurricanes. We expect their two daughters will grow up knowing how to do a triple axel and how to rock a sweet slapshot.

Life is literally a beach for volleyball standouts Kerri Walsh and Casey Jennings. The two sand dwellers tied the knot in 2005 and have two sons.

Who is the bigger beach babe: the surfer dude or his statuesque volleyball-playing wife? That debate could go on forever. Bonus fact about this couple: Their first child is named Reece Viola Hamilton. Nice little nod to Mama Dukes!
 

To be a part of this relationship, requirements included an Olympic-level skill in gymnastics and multiple gold medals. And since their marriage in 1996, Comaneci and Conner have proven to be a perfect 10.