Overview

• Brandon Pfaadt (10-6, 4.82 ERA) is slated to pitch Wednesday’s series finale at Chase Field against Astros rookie Brandon Walter.
• Pfaadt delivered eight innings with two runs allowed at San Diego on July 9 and blanked St. Louis through seven innings on July 18.
• The right-hander’s increased usage of his sweeper, including a season-high 33 tosses against the Cardinals, has been pivotal in his back-to-back strong starts.
• Pfaadt agreed to a five-year, $45 million extension during the offseason, solidifying his role as a rotation cornerstone.
• Houston holds a five-game lead in the AL West while Arizona sits 5½ games behind the final NL wild-card spot.