Japan’s Tokyo Olympic ace Yoshinobu Yamamoto threw the year’s fourth no-hitter and the 97th in Japanese pro baseball on Saturday, pitching the Orix Buffaloes to a 2-0 Pacific League win over the Seibu Lions. It is the first time four no-hitters have been thrown in a single Japanese season since 1943. The Lions became the first team to be no-hit twice in a season since their predecessors the Nishitetsu Lions in 1971. Yamamoto (7-3), the 2021 winner of the Sawamura Award for Japan’s most impressive starting pitcher, needed 102 pitches to complete his gem. He walked one batter and struck out nine…