Is Yoshinobu Yamamoto tipping his pitches? Dodgers will look into it – The Athletic The New York TimesWas Yamamoto tipping his pitches? His manager thinks so MLB.comDave Roberts Admits Yoshinobu Yamamoto Was Tipping Pitches vs. Padres Sports IllustratedMLB Playoffs: Rookie Pitcher Was Tipping Pitches in Postseason Debut NewsweekShaikin: Yoshinobu Yamamoto’s uneasy Game 1 start a fluke or a worrying sign? Los Angeles Times