Barry Bonds with his wife Liz at Music Cares man of the year dinner honoring Neil Diamond at the Los Angeles convention center. Los Angeles, California - 06.02.09

Liz Watson cites "irreconcilable differences" for the split, which threatens to end the couple's 11-year marriage.

The couple wed in 1998 and have a daughter together.

Watson has requested joint legal and physical custody of their 10 year old.

Bonds has been hitting the headlines in recent years for his links to baseball's steroids scandal.

Source: WENN