Ryan Rowland-Smith and Geoff Blum assess what the Astros and Mariners must do to secure postseason berths, with deep dives into Seattle's need for offense and what Houston has done thus far. #nbcsports #mlb #seattlemariners » Subscribe to NBC Sports: youtube.com/nbcsports?sub_confirmation=1 » Watch Live Sports on Peacock: peacocktv.smart.link/v82e9dl56 NBC Sports Group serves sports fans 24/7 with premier live events, insightful studio shows, and compelling original programming. NBC Sports is an established leader in the sports media landscape with an unparalleled collection of sports properties that include the Olympics, NFL, NBA, MLB, Premier League, Big Ten, NASCAR, PGA TOUR, the Kentucky Derby, Tour de France and many more. Subscribe to our channel for the latest sporting news and highlights! Visit NBC Sports: nbcsports.com Find NBC Sports on Facebook: facebook.com/NBCSports Follow NBC Sports on Twitter: twitter.com/nbcsports ...