The Nippon Ham Fighters will begin their 2023 season at their new stadium on March 30 against the Rakuten Eagles, a day before the other Nippon Professional Baseball teams play, according to the schedule released Monday by the Pacific League. Until this year, the Fighters played their regular-season home games not only at Sapporo Dome but also in other cities of Hokkaido. In 2023, all of their home games will be played at Es Con Field in Kitahiroshima, just outside Sapporo. Nippon Ham and Rakuten swapped the rights to host their season openers in 2022 and 2023 for the Fighters to start next ye…