The eight-year veteran batted .281 in 79 games with St. Louis in 2010. He finished fourth in the National League Rookie of the Year voting in 2004 with Colorado and was a member of the 2006 World Series champion Cardinals.
With Jamey Carroll the primary backup middle infielder, Miles will compete for a spot with Ivan DeJesus Jr. and Juan Castro, the latter also on a Minor League contract.
Ken Gurnick is a reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.