With the Astros being disciplined on 13 January 2020 for using cameras to steal catcher-to-pitcher signals during the 2017 MLB postseason, Darvish refused to blame sign stealing for his poor starts and instead suggested that the 2017 Astros batters were talented, and humorously joking on Twitter that he would wear a "Yu Garbage" jersey if the Dodgers held a championship parade.
