The Nationals announced this morning that they’ve recalled left-hander Shinnosuke Ogasawara. Ryan Loutos was optioned to Triple-A to make room for Ogasawara, who is slated to make his MLB debut when he starts against the Red Sox later today, on the 40-man roster. Ogasawara’s impending debut was first reported by the Japanese outlet Sponichi Annex.
Ogasawara, 27, signed a two-year deal worth $3.5MM during the offseason. He did not make the club’s starting rotation out of Spring Training and was optioned to the minor leagues, where he made just three starts before being sidelined by an oblique injury. Ogasawara spent two months on the shelf before beginning a rehab assignment in rookie ball last month. Since then, he’s advanced to the High-A level where he struck out five in four innings of work while surrendering two runs. Despite his most recent start coming in the lower minors, the Nationals clearly feel he’s ready to step into the club’s rotation to help fill in for the injured Trevor Williams, who was sidelined by an elbow sprain on Friday.
Prior to joining the Nationals, Ogasawara had spent nine seasons pitching for Nippon Professional Baseball’s Chunichi Dragons. His rookie season as an 18-year-old in 2016 was impressive as he posted a 3.36 ERA across 15 starts in Japan’s Central League, but he struggled at the highest level of NPB play over the next few seasons. He started to turn things back around in 2021, however, and from then on he posted ERAs of 3.64, 2.72, 3.59, and 3.12 across his final four years in NPB.
Impressive as that run prevention in recent years may be, there are some concerns. Ogasawara has struck out just 18.9% of batters faced during his time in NPB, and that’s dropped even lower in recent years as he posted a strikeout rate of just 13.6% for the Dragons last season. Among qualified starters this year in MLB, Ogasawara’s career figure in NPB would place him in the bottom 20 in terms of strikeout rate while his 2024 figure would place him second from the bottom ahead of only Padres righty Randy Vasquez. Vasquez has a 3.79 ERA this year in 18 starts despite shoddy peripherals, so it’s certainly not impossible to find success at the big league level with a low strikeout rate. With that said, it’s clearly an uphill battle to be a quality big league starter with that lack of strikeout stuff. The lefty’s 3.6% walk rate in 2024 should help matters, though, and it’s at least worth nothing that Ogasawara has…
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