Analytics making a strong impression
New pitchers Yamaguchi, McGee and Wood adjusting their approach
After a long and prosperous career in his home country of Japan, Shun Yamaguchi’s first season in the major leagues hardly went as planned.
On a late September day in Buffalo, N.Y., there were no fans in the stands and no sounds to drown out the sound of Yamaguchi’s 89.6 mile-per-hour four-seam fastball meeting the thick of Orioles infielder Pat Valaika’s bat and whistling back up the middle into center field.
Yamaguchi’s 17th and final appearance out of the Blue Jays’ bullpen last year culminated with the four-seam fastball to Valaika, an unheralded hitter on a terrible team who helped hand the righthander his fourth loss of the year.
Now a member of the San Francisco Giants, Yamaguchi is not at all expected to stop throwing that fastball, despite the fact it wasn’t so effective in his first year in the big leagues. As a matter of fact, manager Gabe Kapler said he expects the right-handed pitcher from Nakatsu, Japan, to continue mixing it in with the rest of his pitches in order for the team’s coaching staff “to get to know him.”
Yamaguchi, however, already understands that his new team wants him to throw his splitter, curveball and slider for strikes this year, something he tended to avoid with the Blue Jays when amassed an unsightly 8.06 ERA. It’s a change brought on by the Giants’ analytics-based approach.
“This year I’m working on that,” Yamaguchi said Thursday through a translator. “I’m working on getting strikes and trying to get hitters out with my secondary pitches. That will be the main difference.”
It’s still relatively early in the spring but the Giants have been able to make an impact on a few of their new pitchers through analytics and subsequent adjustments.
Left-handed pitchers Alex Wood and Jake McGee — both of whom last played for the analytics-heavy Los Angeles Dodgers — raved about the Giants’ coaching staff and their ability to suggest subtle changes.
For example, Wood said
he “found his throw” last year with the Dodgers and tried to build off that in the offseason. It wasn’t until he joined the Giants, though, that he made a correction to his posture on the mound to create more depth on his slider, a pitch that was able to generate a swing and a miss 42.4 percent of the time last year.
“The way the game has evolved since I came into
the league is pretty unique,” Wood said. “You see in the NFL, NBA, pro fantasy football focus, like all these different things, teams are starting to use analytics more and more. Baseball has really, you know, dove into the deep dive into analytics and how to get answers to questions we’ve never had answers to before.”
For Wood, changes to his approach on the mound
could be a welcomed development. In his last 48.1 innings pitched, the southpaw has a 5.96 ERA and has surrendered 2.4 home runs per nine innings and 10.8 hits. If the Giants can refine his technique and arsenal, he could move closer to returning to the numbers he held in his first six years as a major leaguer: a 3.29 ERA in 803.1 innings with a 117 ERA+.
“It’s been amazing,” Wood said of working with the Giants. “The staff they put together here, as far as guys that have played formerly and also guys that have studied a ton and started to learn all the new-age stuff and are able to communicate that to you on a daily basis, I’ve learned a ton. It’s been an absolute blast.”
Unlike Yamaguchi or Wood, there isn’t much
work to do on McGee’s arsenal. The left-handed reliever almost exclusively throws a four-seam fastball — last year he offered it 96.4 percent of the time — and there is a good chance he continues to do that this year. That doesn’t mean McGee’s experience as a member of the Giants staff has not been impacted by the organization’s analyticsdriven mindset.