San Francisco shortstop Travious Relaford has been suspended for 100 games following a third positive test for a drug of abuse under baseball's minor league drug program, and free agent pitcher Brent Jones has been banned 50 games after a second positive test for a drug of abuse. Relaford, 23, was a 44th-round draft pick in 2011 and hit .237 with one homer and 36 RBIs last year for Augusta of the South Atlantic League. Jones, a 23-year-old right-hander, was a fourth-round draft pick of Arizona two years ago from Cornell.