The Oakland A's announced changes to their minor league coaching staff Thursday.Minor league roving hitting instructor Greg Sparks and Triple-A Sacramento River Cats' hitting coach Todd Stevenson will switch positions next season.Three of the A's minor league pitching coaches are also moving, with John Wash taking over at Single-A Burlington, Ariel Prieto moving to Single-A Vermont, and Jimmy Escalante coaching the team's affiliate in the Arizona Rookie League.The following managers will remain in their current positions with the A's various minor league affiliates: Darren Bush (Sacramento), Steve Scarsone (Midland), Webster Garrison (Stockton), Aaron Nieckula (Burlington), Rick Magnante (Vermont), and Marcus Jensen (Arizona Rookie League).
Stay in the game with the latest updates on your beloved Bay Area and California sports teams! Sign up here for our All Access Daily newsletter.