Olympic gold medalist Hashimoto collected the silver medal in the men's all-around event.
Sawamura spent two weeks on the COVID-19 injured list before rejoining his team last week.
Manager Toru Oniki's club has played 12 games this season, winning 10 times and earning two draws.
Ichiro played a pivotal role in the Seattle Mariners' come-from-behind victory in his first MLB game on April 2, 2001.
Shiraishi sails around the world in 94 days, 21 hours and 32 minutes aboard DMG MORI Global One.
