Answered May 11th, 2019

Gerrit Cole struck out a season-high 12 batters and picked up his fourth win of the season as the Astros topped the Rangers. He now has three 10+ K games against Texas - tied for most in Houston team history.

Which Astros pitcher has the most games with 10+ strikeouts against the Rangers?
Interpreted as:
Which Astros pitcher has the most regular-season games with 10+ strikeouts against the Rangers?