While strong teammates now on the Dodgers, Shohei Ohtani and Mookie Betts were once bitter rivals in the World Baseball Classic.

TOKYO -- Shohei Ohtani and his wife Mamiko Tanaka are expecting their first child. Ohtani's Los Angeles Dodgers teammate Mookie Betts has some advice. “He should get his sleep now,” Betts said, speaking Tuesday in Tokyo. “Because when the baby comes he won't get any.” Betts has two children and knows from experience.

Mookie Betts, on a promotional tour in Japan, advised Shohei Ohtani to "get his sleep now" and discussed his first impressions of Roki Sasaki.

Shohei Ohtani, the celebrated Los Angeles Angels star, and his wife, Mamiko Tanaka, are preparing for an exciting new chapter as they announce they are expecting their first child.

Betts said he'd already met with the 23-year-old Sasaki. Shohei Ohtani and his wife Mamiko Tanaka are expecting their first child. Ohtani's Los Angeles Dodgers teammate Mookie Betts has some advice. "He should get his sleep now,