By Data SkriveJuly 21, 2026 2:20 pm EDT Updated The Seattle Mariners will aim to keep a three-game win streak going when they host the Cincinnati Reds at 9:40 p.m. ET on Tuesday. Luis Castillo (3-8, 4.93 ERA) gets the start for the Mariners, who are 51-50 this season and first in the AL West. Chase Burns (11-1, 2.54 ERA) is starting for the Reds, who are 45-54 and fifth in the NL Central.How to watch Cincinnati Reds vs. Seattle Mariners
Venue: T-Mobile Park
Time: 9:40 p.m. ET
Streaming: Fubo (Stream now)
TV: Mariners.TV and Reds.TV
