It is still only 20, occurred 6 times. The 20 K games by Clemens (2) , Kerry Wood, Max Scherzer, this one from last year and this one started by Greinke. The Red Sox have half of these as the pitching team, and offense teams are HOU, TEX, and SEA twice plus DET twice. Our franchise record is 19, perpetrated by none other than the Cardinals back in 2016...in a game started by Carlos Martinez