COVID-19 crisis shuts out foreign players from Japanese baseball - Nikkei Asia
Mariners pitcher Yoshihisa Hirano tests positive for coronavirus - The Japan Times
Mexican National Baseball Team in Quarantine After 2 Players Test Positive - The New York Times
Japanese Sportsmen Test Positive for COVID-19
Only 1% of Japan is fully vaccinated against COVID-19. Is it ready for the Olympics?, Science
Two players test positive for COVID-19 in Japan baseball league, showing what MLB is dealing with – KNBR
Opposition in Japan to the Olympics during the COVID-19 pandemic
MLB Players Who Tested Positive for Coronavirus
Japanese baseball players test positive for coronavirus
Coronavirus: Japan's low testing rate raises questions - BBC News
Could COVID-19 have long-term effect on athletes' health? - The Japan Times
Japanese baseball players test positive for coronavirus