Racing PositionsNats, reliever Sims agree on one-year, $3M deal1MNats, LHP Ogasawara reach 2-year, $3.5M deal2MDodgers to visit White House, call it 'great honor'2hAlden GonzalezAngels RHP Johnson makes team, skipping minors2hJeff PassanAstros release Singleton two days before opener9hFast-rising Smith, 22, makes roster for Astros9hJesse RogersAsphyxiation ruled out in death of Gardner's son8hGueorgui Milkov, Anthony OlivieriSources: Raleigh, M's agree to $105M extension9hJeff PassanD-backs' Montgomery to have Tommy John surgery11hLeiter, Rocker fill Texas' rotation; Carter to minors7h
