How Mookie Betts embraced Yoshinobu Yamamoto’s training methods

How Mookie Betts embraced Yoshinobu Yamamoto’s training methods


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After a few days away, Dodgers shortstop Mookie Betts returned to Camelback Ranch over the weekend, now a father of three after his wife, Brianna, gave birth.

The 33-year-old Betts said earlier in camp he was looking to ease into spring training ahead of his 13th major league season in an effort to turn the page from a career-worst statistical year in 2025. There have been encouraging signs as heโ€™s hitting .316 in Cactus League play, which includes a home run in Sundayโ€™s split-squad win over the Chicago Cubs.

โ€œI just want to get better,โ€ Betts said. โ€œIโ€™m not content with being where Iโ€™m at. I want to continue to get better in life and everything, and you know, be able to kind of teach my son how to be great. You know, Iโ€™ve got to go through it first. When youโ€™re open-minded, thereโ€™s endless possibilities.โ€

Betts kept an open mind when he first learned of teammate Yoshinobu Yamamotoโ€™s unique workout routine, which includes javelin throwing, yoga, and working with personal trainer Osamu Yada. Betts credits his improved defense at shortstop to the new training methods that heโ€™s adopted.

โ€œIโ€™m not fully in his whole routine,โ€ Betts said of Yada, who is often referred to as Yada Sensei. โ€œBut I wake up every morning and do my stretch routine that Sensei showed me, throwing the javelins every day. I think throwing javelins is the reason why I can make a play in the hole like that and throw it in the air on a line. Iโ€™m really grateful for Yoshi and Sensei, because they have definitely changed my perspective, changed my life, changed my game.โ€

Betts graded as a below-average defender in his first season at the shortstop position in 2024, posting a minus-6 in Defensive Runs Saved and a minus-3 in Outs Above Average. Last season, he saw a sizable improvement, leading MLB shortstops in DRS (plus-17) and placing in the top-third in OAA (plus-6).

It wasnโ€™t hard for Betts to look at Yamamoto and think that the Japanese superstar may have been onto something.

โ€œSo I mean, Yoshi came over and [got] $300 million, and he hadnโ€™t even thrown a pitch over here,โ€ Betts said. โ€œSo, Iโ€™m pretty sure he does something right.โ€

Betts has yet to see the workouts translate offensively, but expects that to come in due time.

โ€œHe said eventually Iโ€™ll feel where it helps me hitting, but I havenโ€™t gotten to that point yet,โ€ Betts said. โ€œI think he should be back, so youโ€™ll see us back working, and eventually Iโ€™ll get it, but he said it will take a little time.โ€

In the meantime, Betts believes heโ€™s found an easy fix that should return him to the MVP-caliber player he had been for close to a decade. Betts says he lost 10 mph in bat speed last season.

โ€œI think the most important part is now that I think Iโ€™m 178 [pounds] now, almost 180, so Iโ€™m able to just have speed,โ€ Betts said. โ€œWhen I lost all the weight, I was down 10 mph in speed. Youโ€™ve got guys throwing 100 mph with a slow bat, itโ€™s going to be hard to do. Itโ€™s not an excuse, but itโ€™s a fact. So, now Iโ€™ve got my speed back, I donโ€™t have to hurry up and make decisions so fast.โ€

Said Dodgers manager Dave Roberts: โ€œI like where heโ€™s at physically. He looks stronger.โ€

A stomach illness prompted Betts to lose 15 to 20 pounds last spring, putting him behind the eight-ball, and he never quite caught up after that.

โ€œ[I was] down 10 mph in bat speed,โ€ Betts said. โ€œDo you know how hard it is for somebody that weighs 160 [pounds] to gain bat speed, to gain strength and play a game all at the same time during the season? Itโ€™s tough to do. I tried it. I failed at it. But weโ€™re in a new spot now, and weโ€™ll try to stay here.โ€

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