- Source of Wealth: Baseball
- Age: 29
- Birth Place: Collins, Mississippi
- Height: 6′ 0″ (1.83 m)
- Weight: 160 lbs (72 kg)
- Marital Status: Single
- Full Name: Billy R. Hamilton
- Nationality: American
- Date of Birth: September 9, 1990
- Occupation: Former Baseball Player
- Children: None
Mark Davis is a former American baseball player. His Net Worth is estimated to be around $6 million dollars.
Mark Davis started his professional career as a pitcher when he joined the Philadelphia Phillies in 1980. Then, he spend five seasons with the San Francisco Giants.
Other teams he joined include the San Diego Padres, Kansas City Royals, Atlanta Braves,, and Milwaukee Brewers. Davis returned to both the Phillies and Giants in 1993.
He retired from playing baseball and became a bullpen coach of Arizona Diamondbacks in the 2003-04 season. He also the pitching coach for the Diamondbacks in 2005, and Arizona League Royals from 2006 to 2010.
Mark William Davis was born on October 19, 1960 in Livemore, California.