Overview

• Seattle confirmed Kirby as the Game 1 starter against Detroit, with the Mariners holding home-field advantage after a week-long bye.
• Kirby credited a sinker grip tweak inspired by Bryan Woo for improved command, cutting his sinker walk rate and fueling a September strikeout surge that included a 14-K outing and a 2.08 ERA over his final three starts.
• Manager Dan Wilson and catcher Cal Raleigh highlighted Kirby’s recent rhythm and mindset, while Kirby said a journaling routine suggested by mental skills coach Adam Bernero helped him reset between starts.
• The right-hander opened the season on the injured list and posted his highest ERA as a pro before finishing strong to reclaim a frontline role.
• Postseason availability around the league is shifting, with Brandon Woodruff reported out for the ALDS and Astros right-hander Luis García undergoing Tommy John surgery, as Alaska Airlines added an extra Seattle–Detroit flight for fans.