FIRST PITCH TIME SUDDENLY CHANGED: Broadcasters have just put baseball fans on high alert after announcing a major last-minute adjustment to the schedule for the highly anticipated showdown between the COLORADO ROCKIES VS. SEATTLE MARINERS.
⚾ HOW TO WATCH: COLORADO ROCKIES VS. SEATTLE MARINERS — TIME, TV CHANNEL, STREAMING AND EVERYTHING TO KNOW
Updated September 19, 2026
DENVER — The Seattle Mariners and Colorado Rockies meet Friday night at Coors Field as the 2026 Major League Baseball regular season enters its final stretch, giving fans another late-season matchup at one of baseball’s most unpredictable venues.
First pitch is scheduled for 8:10 p.m. Eastern Time on Friday, September 18, which is 6:10 p.m.
Mountain Time in Denver.
For baseball fans watching from Vietnam, the game begins at 7:10 a.m. ICT on Saturday, September 19.
The matchup will be available through Mariners.TV and Rockies.TV, with additional out-of-market access through MLB.TV where available. Fubo also carries the relevant regional channels in supported markets.
📺 MARINERS VS. ROCKIES: GAME INFORMATION
Matchup: Seattle Mariners at Colorado Rockies
Date: Friday, September 18, 2026
First pitch: 8:10 p.m. ET / 6:10 p.m. MDT
Vietnam time: 7:10 a.m. ICT, Saturday, September 19
Location: Coors Field, Denver, Colorado
TV: Mariners.TV, Rockies.TV
Streaming: Mariners.TV, Rockies.TV, MLB.TV and Fubo, subject to regional availability and blackout rules
Coors Field will host the matchup as Seattle continues its late-season road trip and Colorado begins another home series in Denver.
MLB’s official schedule confirms the 6:10 p.m. local start.
📱 HOW TO STREAM MARINERS VS. ROCKIES
There are several viewing options depending on where fans are located.
Seattle supporters inside the Mariners’ home television territory can access the game through Mariners.TV, the club’s direct-to-consumer streaming service introduced for the 2026 season.
Mariners.TV covers viewers in Washington, Oregon, Idaho, Alaska, Montana and Hawaii, as well as parts of Canada. The service is also available through several television providers, including Fubo, DIRECTV, Spectrum and Xfinity.
Rockies supporters in their home market can watch through Rockies.TV, while the Colorado broadcast is also available through participating providers including Fubo, DIRECTV, Xfinity and Spectrum.
Friday’s matchup is additionally scheduled to be simulcast over the air in Colorado on KTVD Channel 20, according to the Rockies’ official broadcast schedule.
Fans living outside the teams’ local television territories can use MLB.TV, although regional and national restrictions may apply.
Fubo is another streaming option in supported areas.
🔥 SEATTLE ARRIVES IN DENVER
Seattle enters the matchup with a 71-82 record, sitting third in the American League West as the regular season approaches its conclusion.
The Mariners arrive in Colorado after taking two of three games against the Los Angeles Angels earlier in the week.
While Seattle’s postseason hopes have faded considerably, the final games still provide important opportunities for players to finish the year strongly and for the organization to evaluate pieces heading toward 2027.
Offensively, the Mariners still possess plenty of dangerous talent.
Randy Arozarena has been one of Seattle’s major offensive producers throughout the season, while Julio Rodríguez continues to provide a combination of power, speed and athleticism.
And playing at Coors Field can create opportunities for virtually any lineup.
The high-altitude conditions in Denver have made the ballpark famous for offense, meaning even a seemingly comfortable lead can disappear quickly.
⚾ BRYAN WOO GETS THE BALL FOR SEATTLE
Seattle is scheduled to send right-hander Bryan Woo to the mound.
Woo enters Friday with a 12-9 record, 3.88 ERA and 163 strikeouts, according to MLB’s official probable-pitcher listing.
He has also been in impressive form recently.
In his previous outing against the Athletics, Woo worked six scoreless innings, surrendering only three hits while recording five strikeouts.
Across his first three September starts, Woo allowed just one earned run over 20 innings while striking out 21 batters.
Pitching at Coors Field, however, presents an entirely different challenge.
Even pitchers carrying excellent form into Denver have to deal with an environment where fly balls can travel farther and extra-base hits can quickly change an inning.
Keeping runners off base will therefore be essential for Woo.
🏔️ COLORADO LOOKING TO RESPOND AT HOME
The Rockies enter Friday at 56-97 after a difficult season and sit at the bottom of the National League West.
Colorado comes into the Seattle series after losing its previous series against the San Diego Padres.
Still, Coors Field has always provided Colorado with an environment where games can change rapidly.
A few well-placed hits can turn into a major inning, and visiting pitching staffs rarely feel comfortable until the final out.
The Rockies’ current lineup listing has right-hander Gabriel Hughes lined up opposite Woo.
Hughes enters with an 0-8 record and a 6.37 ERA.
That creates an intriguing pitching contrast heading into the night.
Seattle will hope Woo can continue his strong September.
Colorado will look to use its home ballpark to put immediate pressure on him.
👀 WHAT TO WATCH
One of the most interesting storylines will be how Seattle’s offense handles Coors Field.
The Mariners have enough power to turn mistakes over the middle of the plate into extra-base hits, and Denver’s conditions could make an aggressive approach particularly dangerous for Colorado pitching.
For the Rockies, the priority will be forcing Woo into stressful innings.
Woo has been difficult to score against recently, so Colorado cannot afford to waste opportunities when runners reach base.
The opening innings could set the tone.
If Woo settles into his rhythm early, Seattle may be able to control the game from the mound.
If Colorado forces him into a high pitch count and gets the crowd involved, the night could become much more complicated for the visitors.
🏟️ FRIDAY NIGHT BASEBALL AT COORS FIELD
Regardless of where the teams sit in the standings, a Friday night game at Coors Field remains an appealing matchup for baseball fans.
Seattle still has recognizable stars trying to finish the season strongly.
Colorado has another opportunity to perform in front of its home crowd.
And with only a handful of regular-season games remaining, every appearance carries additional meaning for players attempting to secure roles heading into next season.
For fans planning to watch, here are the key details one more time:
⚾ Seattle Mariners at Colorado Rockies
📅 Friday, September 18, 2026
⏰ 8:10 p.m. ET / 6:10 p.m. Denver time
🇻🇳 7:10 a.m. Vietnam time — Saturday, September 19
🏟️ Coors Field — Denver, Colorado
📱 Streaming: MLB.TV, Mariners.TV, Rockies.TV and Fubo, depending on location
Bryan Woo takes the mound for Seattle, Coors Field provides the backdrop, and the Mariners and Rockies are ready for another September night of Major League Baseball in Denver.
