MEDICAL UPDATE ON MARINERS RIGHT-HANDED PITCHER HISASHI IWAKUMA

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Hisashi Iwakuma

SEATTLE, Wash. — Seattle Mariners announced the following medical update on Mariners right-handed pitcher Hisashi Iwakuma:

 

Iwakuma underwent arthroscopic right shoulder debridement surgery on September 27. The surgery was performed by Dr. Keith Meister in Dallas, Texas.

 

Following the surgery, Iwakuma is expected to resume throwing in 5 months.

 

Iwakuma, 36, went 0-2 with a 4.35 ERA (15 ER, 31.0 IP) with 16 strikeouts and 12 walks in 6 starts with the Mariners this season. He was placed on the 10-day disabled list with right shoulder inflammation on May 10 (retroactive to May 7) before being transferred to the 60-day DL on July 24. The 6-foot-3, 210-pound right-hander made a rehab start with advanced-A Modesto on June 14, allowing 1 hit over 4.0 scoreless innings while striking out 4. He made another rehab start with AAA Tacoma on June 19, where he allowed 4 runs on 4 hits (1 home run) and 2 walks while striking out 3 in 2.0 innings of work.

 

In 2016, Iwakuma went 16-12 with a 4.12 ERA (91 ER, 199.0 IP) with 147 strikeouts and 46 walks in 33 starts with the Mariners. His 16 wins were a career-high, and he led the club in wins (16), starts (33), innings (199.0) and strikeouts (147).

 

The native of Tokyo, Japan, has spent his entire 6-year Major League career with the Mariners, compiling a career record of 63-39 with 2 saves and a 3.42 ERA (336 ER, 883.2 IP) with 714 strikeouts and 185 walks in 150 career appearances, including 136 starts. He originally signed with Seattle as a free agent on Jan. 5, 2012 after spending 11 seasons in the Japan Pacific League. Iwakuma went 107-69 with a 3.25 ERA (557 ER, 1541.0 IP) with 1175 strikeouts and 342 walks in 226 games (225 starts) during his career in the Japan Pacific League. In 2008, he was named Pacific League MVP and earned the Eiji Sawamura Award (Cy Young Award equivalent) after going 21-4 with a 1.87 ERA (42 ER, 201.2 IP) in 28 starts. He earned a bronze medal with the Japanese National Team at the 2004 Athens Olympics, as well as a gold medal with Team Japan at the 2009 World Baseball Classic.

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