Hisashi Iwakuma improved to 2-4 after giving up three runs over six innings Friday versus the Reds.
Hisashi Iwakuma surrendered four runs on nine hits over 6 1/3 innings in earning a no-decision against the Angels on Saturday.
Hisashi Iwakuma was fantastic in Tuesday's 8-2 win over the A's, firing seven innings of four-hit, one-run ball.
Hisashi Iwakuma fell to 0-3 after giving up five runs in five innings Wednesday against the Astros.
Moved up to pitch in Felix Hernandez's slot, Hisashi Iwakuma held the Angels to two runs in eight innings on Friday.
Hisashi Iwakuma put forth an uninspiring start in Sunday's loss to the Yankees, yielding four runs on eight hits over seven innings.
Hisashi Iwakuma pitched six innings of three-run ball and struck out seven on Monday.
Hisashi Iwakuma was touched up for three runs on eight hits and a walk across 4 1/3 frames on Monday against the Dodgers.
Hisashi Iwakuma was roughed up by the Giants on Wednesday, allowing five runs on seven hits over 2 2/3 innings.
Hisashi Iwakuma fired three scoreless innings against the Giants on Friday.
Hisashi Iwakuma tossed two scoreless innings Sunday in the Mariners' Cactus League win over Texas.
CBS Sports' Jon Heyman reports that Hisashi Iwakuma is guaranteed $12 million in his new contract with the Mariners.
Mariners re-signed RHP Hisashi Iwakuma to a one-year contract with vesting options for 2017 and 2018.
Hisashi Iwakuma is still negotiating with the Dodgers, per Mark Saxon of ESPN Los Angeles.