Seattle Mariners vs Colorado Rockies Prediction, 9/19/2026 MLB Picks, Best Bets & Odds

Game: Seattle Mariners vs Colorado Rockies

Date: Saturday, September 19, 2026

Location: Coors Field in Denver, CO

TV: Rockies.TV

Odds/Point Spread: Seattle (-128) Colorado (+106)

Coors Field is the location where the Colorado Rockies (56-97) will try to beat the Seattle Mariners (71-82) on Saturday. The odds on this game have Seattle at -128 and Colorado is at +106. The betting total is set at 9. The starting pitchers will be Bryce Miller and Gabriel Hughes.

The Mariners have tallied 191 doubles as a unit and have hit 175 baseballs out of the stadium. Seattle has a slugging rate of .380 and have struck out 1,329 times, while drawing a walk on 519 occasions. As a team, the Seattle Mariners are notching 4.1 runs per game, which is 28th in the league. They have amassed 601 RBI's and 1,181 hits on the season, and their batting average sits at .232. They have 624 runs while holding a team OBP of .312.

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The Mariners hold a team earned run average of 4.21 so far this season (20th in MLB), and they have rung up 1,301 batters. Mariners pitchers have allowed 186 home runs in addition to 680 runs (17th in MLB). Their pitching staff has walked 408 players from the other team and their FIP is 4.02 as a team on the year. Seattle has conceded 1,289 base hits (8.6 per 9 innings) and 631 earned runs. They have earned a strikeout to walk ratio of 3.19 and the pitching staff has earned a collective WHIP of 1.26.

Mariners bullpen pitchers have entered the contest with players on base 116 times and also have had 151 appearances in high leverage situations. The bullpen are sitting with 77 holds for the year (22nd in the league). The Mariners bullpen have earned a save percentage of 55.9% and have stepped onto the mound in 137 save situations. They have tallied 33 saves for the year and have blown 26 out of their 59 save opportunities. The relievers have inherited 162 runners on the season and 31.5% of them crossing the plate. The Mariners have sent 470 relief pitchers to the hill for the season.

The Mariners have converted 69.0% of balls hit into play into outs in their 12,144 innings, ranking them 24th in MLB. The Seattle Mariners are sitting with 4,048 putouts at this point in the season, as well as 1,261 assists and 79 errors. Their fielding rate is holding at .985 which is 16th in pro baseball, and have a total of 121 double plays.

Miller (28-30 career win-loss mark) sits with a FIP of 3.99 while facing 2,070 batters in the major leagues. He has given up 438 hits (7.7 hits per 9 innings) and has had 139 walks. His ERA is 4.05 (229 ER's allowed) and he has a WHIP of 1.133. Miller has thrown 509 frames and is sitting with 470 punch outs in his pro baseball career.

The Rockies hold a slugging percentage of .417 and they are earning 4.69 runs per outing (6th in baseball). They have 272 doubles, while taking a walk 482 times as well as putting up 717 runs. Colorado has compiled 169 home runs so far this year as well as 687 RBIs. They have struck out on 1,330 instances (7th in the league) and have earned a total of 1,322 base knocks. The Colorado Rockies have an OBP of .324 in addition to a batting average of .254 for the season.

The Colorado pitching staff have relinquished 894 runs over the course of the season while holding an ERA of 5.62 (838 earned runs surrendered). They have yielded 211 homers and they relinquish 5.99 runs per 9 innings (30th in MLB). The Rockies have a WHIP of 1.536 in addition to having a FIP of 4.85 as a team so far this season. Their K/BB ratio sits at 7.00 (1,049 strikeouts against 512 bases on balls). They come in at 30th in the league as a pitching staff in total hits allowed with 1,549.

With 120 save situations, the Rockies have amassed 60 holds and also 24 blown saves. Colorado has called on relievers to enter the contest in 56 save opportunities and they have come away with 32 saves. Colorado bullpen pitchers hold an inherited score rate of 32.1% out of their 237 inherited runners. Their bullpen pitchers have come in 144 times in high leverage situations in addition to 154 occasions with base runners. They are ranked 23rd in baseball with a save rate of 57.1%, and they have dispatched 474 relief pitchers to the mound over the course of the season.

In 12,084 innings on the field, the Rockies have earned a efficiency on defense of 66.7% (30th in professional baseball). The Colorado Rockies have turned 123 double plays and own a fielding percentage of .982 (28th in the majors). The Rockies have racked up 1,279 assists, 95 errors and have a tally of 4,028 putouts during this campaign.

In his MLB career, Hughes has surrendered 63 base knocks while he has accumulated 50 strikeouts in 59 innings. Hughes (0-8 career win-loss record) has earned a 6.40 earned run average and has conceded 9.6 hits per nine innings. He has given up a total of 42 ER's while holding a WHIP of 1.455 and being the owner of a FIP of 6.3. He has a strikeout to walk ratio of 2.17 and he has gone up against 263 hitters during his career.

Who will win tonight's MLB game against the spread or moneyline?

Guy Bruhn's Pick: Take Seattle (-128)

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