Racing PositionsPirates reassign top prospect Griffin to minors10mBlue Jays release right-handed pitcher Seabold1hDiamondbacks RHP Kelly to begin season on IL1hRangers cut ex-Red Sox, Cubs reliever Brasier2hOF Slater exercises release clause in Tigers deal2hVeteran OF Grichuk on Yanks' Opening Day roster3hNationals release right-handed reliever Smith3hManaea to begin in bullpen as Mets set rotation3hJorge CastilloYankees option outfielder Dominguez to Triple-A1dJorge CastilloNationals option top prospect Crews to Triple-A11h
