On September 21, 2026 our model has run Seattle Mariners at Colorado Rockies and priced every market it can. Our strongest call is Brett Sullivan Under 0.5 Runs Scored (-175), which we rate HIGH confidence. We walk through all 6 bets we like in this game below. Everything below is our own number against the price the book is offering, written in plain English with how confident we are in words.
Cole Young (SEA) Under 0.5 Singles (+118)
Odds available at DraftKings at time of publishing
Colorado Rockies play Seattle Mariners in the MLB. The bet we are looking at is Cole Young (SEA) Under 0.5 Singles (+118). That is a Singles bet. It was priced at +118 when we wrote this, so a $10 bet returns $21.80 if it lands. Our model rates this one a lean pick. Prices move, so check the price at your bookmaker before you back it. And if this one does not feel right to you, skipping it is a perfectly good move.
Brett Sullivan Under 0.5 Runs Scored (-175)
Odds available at DraftKings at time of publishing
Colorado Rockies play Seattle Mariners in the MLB. The bet we are looking at is Brett Sullivan Under 0.5 Runs Scored (-175). That is a Runs Scored bet. It was priced at -175 when we wrote this, so a $10 bet returns $15.71 if it lands. Our model rates this one a strong pick. Prices move, so check the price at your bookmaker before you back it. And if this one does not feel right to you, skipping it is a perfectly good move.
Brett Sullivan Under 0.5 Hits (+169)
Odds available at DraftKings at time of publishing
Colorado Rockies play Seattle Mariners in the MLB. The bet we are looking at is Brett Sullivan Under 0.5 Hits (+169). That is a Hits bet. It was priced at +169 when we wrote this, so a $10 bet returns $26.90 if it lands. Our model rates this one a long shot. Prices move, so check the price at your bookmaker before you back it. And if this one does not feel right to you, skipping it is a perfectly good move.
Colorado Rockies vs Seattle Mariners: Colorado Rockies +1.5 (-108)
Odds correct at time of publishing
Colorado Rockies play Seattle Mariners in the MLB. The bet we are looking at is Colorado Rockies vs Seattle Mariners: Colorado Rockies +1.5 (-108). That is a spreads bet. It was priced at -108 when we wrote this, so a $10 bet returns $19.26 if it lands. Our model rates this one a lean pick. Prices move, so check the price at your bookmaker before you back it. And if this one does not feel right to you, skipping it is a perfectly good move.
Colorado Rockies vs Seattle Mariners: Over 5.5 totals 1st 5 innings (-122)
Odds correct at time of publishing
Colorado Rockies play Seattle Mariners in the MLB. The bet we are looking at is Colorado Rockies vs Seattle Mariners: Over 5.5 totals 1st 5 innings (-122). That is a totals 1st 5 innings bet. It was priced at -122 when we wrote this, so a $10 bet returns $18.20 if it lands. Our model rates this one a lean pick. Prices move, so check the price at your bookmaker before you back it. And if this one does not feel right to you, skipping it is a perfectly good move.
Colorado Rockies vs Seattle Mariners: Colorado Rockies +1.5 (-111)
Odds correct at time of publishing
Colorado Rockies play Seattle Mariners in the MLB. The bet we are looking at is Colorado Rockies vs Seattle Mariners: Colorado Rockies +1.5 (-111). That is a alternate spreads bet. It was priced at -111 when we wrote this, so a $10 bet returns $19.01 if it lands. Our model rates this one a lean pick. Prices move, so check the price at your bookmaker before you back it. And if this one does not feel right to you, skipping it is a perfectly good move.
That is the whole read. Every bet above is our own number against the price on the board at the time we wrote this, and the price can move before you get on. Bet what you can afford to lose. If betting stops being fun, take a break.