Racing PositionsMontgomery looks sharp in awaited Arizona debut6h'Electric' d'Arnaud homers 3 times in Braves' win9hBooser's comeback story hits peak with Red Sox10hVerlander throws 6 solid innings in season debut8hAssociated PressLeMahieu's minors stint delayed as foot not '100%'10hStrider begins recovery, says Braves can win WS14hD-backs' Nelson, hit by comebacker, lands on IL14hRangers option rookie Leiter after shaky debut15hFreeland wonders if pitch clock factored in injury12hFantasy baseball pitcher rankings, lineup advice for Saturday's MLB games15hTodd Zola