His exhilarating World Baseball Classic experience over, Edwin Diaz got back to work Sunday in preparation to start the 2017 season as the Seattle Mariners' closer. After his two innings of clutch relief in the 11-inning semifinal win over the Netherlands, a fired-up Diaz leaped off the mound in
Chris Heston's bid to make the Mariners' Opening Day rotation came up short. The former Giants pitcher was optioned to Triple-A Tacoma on Sunday morning, Seattle announced. Traded by San Francisco to Seattle in December, Heston struggled in his first spring with the Mariners.
Starter Nick Martinez and knuckleballer Eddie Gamboa pitched well in four-inning stints but the Mariners held on for a 3-1 win Saturday at Peoria Sports Complex. How Rangers pitchers fared: Nick Martinez picked up where he left off five days ago on the mound. He held the Mariners scoreless on two hits