The Mariners will play the Rockies on Sunday, April 21st, 2024. Your timezone's first pitch time is 8:10 pm EDT. Check local listings or your nearest streaming app for coverage.
Learn more about MLB Betting with our handy tutorial and guide. We explain money line, total and run line bets. Plus, a great discussion about exotic bets like MLB Baseball parlays and props.
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Table of Contents
- Matchup Stats
- Captain Shady Lines
- Best Odds
- Interactive Odds Example
- Prop Bets
- Team Futures Odds
- Team Pages
- Team Standings
- Other Games Today
Key Matchup Stats
- SportsBetting3.com Power Rankings - The Seattle Mariners have a 92.33 power ranking. The power ranking for the Colorado Rockies is 84.33.
- Visiting Seattle Mariners - The Seattle Mariners have a 3-4 record as a visiting team, ranking them 8th Overall for visiting team wins.
- Home Colorado Rockies - The Colorado Rockies have a 2-5 record as a home team. They rank 8th for home team wins in the Overall standings.
- Runs Scored - The Seattle Mariners currently stand 21st (73) Overall, with the Colorado Rockies ranking 19th (76) for runs scored.
- Runs Allowed - The Seattle Mariners are 20th (77) Overall for runs allowed. The Colorado Rockies stand 1st (124) for runs allowed.
- Team Streaks - The Seattle Mariners have won their last 4 games. Meanwhile, the Colorado Rockies have lost their last 6 games.
- Team Records - The Seattle Mariners have a 10-10 Overall record (0.0 GB American West Division), with the Colorado Rockies possessing a 4-16 Overall standing (6.5 GB National West Division).
Captain Shady Lines
A broken compass is right at least twice a day.
Avast ye Mariners! We be takin' on the scurvy Rockies on Sunday...
The Rockies be a sorry bunch with a pitiful win percentage of 0.200...
But don't let yer guard down, me hearties. They be hungry for a win...
If ye be feelin' lucky, head over to SportsBetting3.com and bet on this game...
Review the odds below, and may the winds of fortune blow in yer favor.
Best Mariners at Rockies Odds
| Underdog Colorado Rockies | Favorite Seattle Mariners |
|---|---|
| Over | Under |
|---|---|
| Underdog Colorado Rockies | Favorite Seattle Mariners |
|---|---|
Matchup Odds FAQs
The Seattle Mariners are the -120 moneyline favorite at BetRivers and the Colorado Rockies are the +105 moneyline underdog at BetMGM.
The best over line is 10.5 -110 runs at BetMGM, which means you risk $110 to win $100 betting the over. The best under line is 11 -109 runs at BetRivers, and that means you risk $109 to win $100 betting the under.
The Seattle Mariners are -1.5 +123 run line favorites at BetRivers, while the Colorado Rockies are +1.5 -145 run line underdogs at BetMGM.
MLB Odds Example
|
Game |
 BetMGMBet |
|---|---|
Mariners
Rockies
4/21/24 8:10pm EDT | -130+105 |
- Colorado Rockies bettors risk $100 to win $105 at +105 odds. The implied probability for Colorado Rockies is 48.78%.
- Seattle Mariners bettors risk $100 to win $76.92 at -130 odds. The implied probability for Seattle Mariners is 56.52%.
Seattle Mariners at Colorado Rockies Prop Bets
| BetMGM Bet |
|
|---|---|
Mariners
Rockies
First Team to Score
4/21/24 8:10pm EDT | -160+125Bet |
Mariners
Rockies
Tie
1st Inning Winner
4/21/24 8:10pm EDT | +275+250-110Bet |
Mariners
Rockies
Tie
First 3 Innings Winner
4/21/24 8:10pm EDT | +135+130+350Bet |
Mariners
Rockies
To Extra Innings
4/21/24 8:10pm EDT | Yes +875No -1600Bet |
| BetMGM | |
Mariners
Rockies
1st Team to Score Will Win
4/21/24 8:10pm EDT | Yes -250No +190Bet |
Rockies
Total Runs
SEA at COL 4/21/24 8:10pm EDT | 5.5 o +1105.5 u -145Bet |
Mariners
Total Runs
SEA at COL 4/21/24 8:10pm EDT | 5.5 o -1205.5 u -110Bet |
Cal Quantrill
Strikeouts Thrown
SEA at COL 4/21/24 8:10pm EDT | 3.5 o -1303.5 u +100Bet |
| BetMGM | |
Emerson Hancock
Strikeouts Thrown
SEA at COL 4/21/24 8:10pm EDT | 4.5 o +1104.5 u -150Bet |
George Kirby
Strikeouts Thrown
SEA at COL 4/21/24 8:10pm EDT | 5.5 o +1055.5 u -135Bet |
Seattle Mariners & Colorado Rockies Futures Odds
Latest World Series odds, if available, for each team. Review odds for other teams and learn how to bet on the tournament. See past Championship results and learn how to bet World Series teasers, props and parlays.
Seattle Mariners World Series Odds|
Team | BetMGM |
 BetRivers |
|---|---|---|
| Mariners | +2200 Bet | +2200 Bet |
|
Team | BetMGM |
BetRivers |
|---|---|---|
| Rockies | +100000 Bet | +50000 Bet |
Seattle Mariners & Colorado Rockies Team Pages
Review each team's season win total odds, futures odds, betting bonuses and other valuable information on our exclusive team betting odds pages. Team betting odds and stats update throughout the season:
Team Standings
| Team | W | L | Pct | GB | Home | Away | RS | RA | Diff | Strk | L10 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Seattle Mariners | 13 | 12 | 0.520 | +5.0 | 7-6 | 6-6 | 93 | 89 | +4 | W1 | 7-3 |
| Colorado Rockies | 7 | 19 | 0.269 | +11.5 | 5-8 | 2-11 | 100 | 156 | -56 | W1 | 3-7 |
How to Bet on the Game
Time needed: 4 minutes.
How to Bet on the Seattle Mariners vs Colorado Rockies MLB Game
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Open a new sports betting account before game time.
Review our list of sports betting sites. Open a new account before the game starts on Sunday, April 21st, 2024 at 8:10 pm EDT, making sure to enter all your personal details correctly. Don't forget to add your bonus code.
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Visit the sportsbook’s cashier, banking, or deposit page.
Navigate to the sportsbook's deposit page. Use your Visa card or MasterCard, or deposit with a bank transfer, or other methods like Paypal.
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Tap to the sportsbook's MLB page, look for the Seattle Mariners vs Colorado Rockies Game.
Navigate to the sportsbook's MLB page. Next, look for live or upcoming matchups. Select the Seattle Mariners vs Colorado Rockies Game.
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Choose your bet and place a wager.
Choose your bet and then use the funds you deposited to place a wager. The sportsbook will pay your winnings or deduct a losing wager from your account balance after the game.
Other April 21, 2024 MLB Games
| Matchup | Date & Time |
|---|---|
| Tampa Bay Rays vs New York Yankees | 4/21/24 1:35pm EDT |
| Chicago White Sox vs Philadelphia Phillies | 4/21/24 1:35pm EDT |
| Boston Red Sox vs Pittsburgh Pirates | 4/21/24 1:35pm EDT |
| Houston Astros vs Washington Nationals | 4/21/24 1:35pm EDT |
| Los Angeles Angels vs Cincinnati Reds | 4/21/24 1:40pm EDT |
| Oakland Athletics vs Cleveland Guardians | 4/21/24 1:40pm EDT |
| Detroit Tigers vs Minnesota Twins | 4/21/24 2:10pm EDT |
| Baltimore Orioles vs Kansas City Royals | 4/21/24 2:10pm EDT |
| Milwaukee Brewers vs St. Louis Cardinals | 4/21/24 2:15pm EDT |
| Miami Marlins vs Chicago Cubs | 4/21/24 2:20pm EDT |
| Arizona Diamondbacks vs San Francisco Giants | 4/21/24 4:05pm EDT |
| New York Mets vs Los Angeles Dodgers | 4/21/24 4:10pm EDT |
| Toronto Blue Jays vs San Diego Padres | 4/21/24 4:10pm EDT |
| Texas Rangers vs Atlanta Braves | 4/21/24 7:10pm EDT |