Los Angeles Dodgers' Nomar Garciaparra, right, and his pregnant soccer-star wife, Mia Hamm, attend a soccer clinic and bone marrow drive at St. John Bosco High School Sunday, Jan. 28, 2006, in

Mia Hamm, wife of Los Angeles Dodgers first baseman Nomar Garciaparra, watches from the stands as the Dodgers play the Atlanta Braves May 31, 2006, in Atlanta's Turner Field. The Braves defeated

Soccer Star Mia Hamm Welcomes Twin Girls

Mia Hamm and Nomar Garciaparra take part in a celebrity soccer game to raise funds for

Bone Marrow Info — Mia Hamm Foundation

Los Angeles Dodgers' Nomar Garciaparra, right, and his pregnant soccer-star wife, Mia Hamm, attend a soccer clinic and bone marrow drive at St. John Bosco High School Sunday, Jan. 28, 2006, in

Los Angeles sports stars help debut LAFC's Banc of California Stadium

Answer Man: Nomar Garciaparra talks Little League, Zooperstars, Mia Hamm, parenting and Johnny Pesky

FILE - Mia Hamm, of the United States Women's National soccer team, celebrates a goal against Mexico during a game in Carson, Calif., Dec. 8, 2004. Mia Hamm, Lindsey Vonn, Michelle Kwan

Mia Hamm in action Stock Photo - Alamy