The Arizona Diamondbacks have signed infielder Rusty Ryal to a minor league contract. Ryal was PCL All-Star as a member of the Reno Aces in 2009. He played in Japan last season. Ryal was drafted by the Diamondbacks in the 14th round in 2005. In Reno's inaugural 2009 season, Ryal hit 17 home runs and batted .290 in 103 games with the Aces.