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  1. Home
  2. MLB Picks
  3. Seattle Mariners vs Colorado Rockies
Sun 3:10 PM ET
Seattle Mariners logo
Seattle
Mariners1
G. Kirby RHP
versus
Colorado Rockies logo
Colorado
Rockies2
C. Quantrill RHP
Final/10
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Seattle Mariners vs Colorado Rockies Betting Picks & Predictions

Game time: April 21, 2024 at 3:10 PM ET

Venue: Coors Field — Denver, Colorado

Article updated Apr 20, 10:35 PM EDT

Published by SportsJaw Editorial Team

The Seattle Mariners and Colorado Rockies are set to conclude their weekend series with a day-night doubleheader due to a rainout on Friday. The Mariners are aiming for a

Game outlook

The Seattle Mariners and Colorado Rockies are set to conclude their weekend series with a day-night doubleheader due to a rainout on Friday. The Mariners are aiming for a playoff spot this season, boasting a strong pitching rotation and an impressive lineup led by CF Julio Rodriguez. On the other hand, the Rockies are in the midst of a rebuild focused on young talent. The first game on Sunday will feature a pitching matchup between Mariners' George Kirby and Rockies' Cal Quantrill, with first pitch scheduled for 3:10 PM EST. Kirby has a 2-2 record with a 6.64 ERA, while Quantrill holds a 0-2 record with a 5.57 ERA. As of now, Seattle is the betting favorite with a -185 opening line that has remained unchanged.

Betting Odds

Moneyline: Mariners -185 | Rockies +164

Spread: Mariners -1.5 (-122) | Rockies +1.5 (+105)

Total: Over/Under 10.5 (-110)

Based on the moneyline, the implied probability that Seattle will win straight-up is 65%.

Seattle Mariners

The Seattle Mariners have historically struggled to start the season strong but were successful in earning a playoff spot and winning over wildcard weekend in 2022. However, they have had a slow start to the 2023 season at 9-10. In a recent game against the Rockies, starting pitcher Luis Castillo had a dominant performance, supported by catcher Cal Raleigh and CF Julio Rodriguez. The team will rely on righty George Kirby in their upcoming game. Despite key injuries, the Mariners are ranked 28th in offense, 10th in defense, and have a power ranking of 23. Fans looking for MLB season insights can check out Free MLB Picks.

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MLB · Seattle Mariners at Colorado Rockies

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Colorado Rockies Analysis

The Colorado Rockies are struggling amidst a challenging season, sitting at a record of 4-15 and enduring a six-game losing streak. The team is adjusting to a roster without key veterans from previous seasons. In the upcoming game, veteran starter Cal Quantrill will take the mound. Quantrill has a record of 0-2 with an ERA of 5.57 this season. The team is also dealing with key injuries to players like Kris Bryant, Lucas Gilbreath, and German Marquez. Despite their offensive ranking at #20, the Rockies rank poorly in defense at #30, giving up an average of 6.11 runs per game. In their last three matchups, the Rockies have had the upper hand against the Seattle Mariners.

Seattle Mariners' Pitching Advantage Set to Propel Victory Against Rockies on Sunday

The Seattle Mariners are poised to have an advantage in the pitching matchup scheduled for Sunday. Pitcher Kirby demonstrated his ability to secure a victory against the Rockies last season, with a solid record of 58-104. Despite initial struggles this season, Kirby's reputation for consistent strike-throwing and ability to accumulate strikeouts suggests a positive outlook for the upcoming game. In the previous season, Kirby maintained a WHIP of 1.04, showcasing strong control with only 18 walks over 31 starts. Conversely, Rockies' starter Quantrill struggled against the Mariners in the past, resulting in a record of 0-1 with an elevated ERA of 6.52. The Rockies' lineup may face a challenge if Quantrill fails to control the ball effectively on Sunday, potentially allowing the Mariners to capitalize on offensive opportunities. Overall, a comfortable victory for the Mariners may be anticipated, making them a favorable choice with the run line.

SportsJawGame Predictions
Predicted score

Unavailable for this preview

Projected winnerUnavailableConfidencelow
Pick on the Spread

Published pick: Unavailable

Pick on the Total

Published pick: Unavailable

#SeattleMariners#ColoradoRockies

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Written by

SportsJaw Editorial Team

SportsJaw published this archived preview from its original game-day article. Its prediction and quoted lines are preserved as written.

About our editorial process

SportsJaw Mariners vs Rockies archived game preview contains historical odds and availability that may no longer be current. View history of past Mariners vs Rockies matchups or learn how our predictions work.

Current matchup data

Lines, trends and availability

Line movement since open

  • Moneyline · Seattle Mariners-185 → -185Unchanged
  • Moneyline · Colorado Rockies+164 → +160Moved
  • Spread · Seattle Mariners-1.5 (-122) → -1.5 (-120)Moved
  • Spread · Colorado Rockies+1.5 (+102) → +1.5 (+102)Unchanged
  • Total · Over10.5 (-110) → 10 (-110)Moved
  • Total · Under10.5 (-110) → 10 (-110)Moved

ATS and O/U trends

Seattle Mariners
76-86 matchup record · 6-4-0 ATS · 1-9-0 O/U
Last 10 completed games on file
Colorado Rockies
58-104 matchup record · 5-5-0 ATS · 3-7-0 O/U
Last 10 completed games on file

Injuries and availability

From the published research (2024-04-21T02:35:26.545Z). Availability may have changed; review the cited sources.

The Seattle Mariners have historically struggled to start the season strong but were successful in earning a playoff spot and winning over wildcard weekend in 2022. However, they have had a slow start to the 2023 season at 9-10. In a recent game against the Rockies, starting pitcher Luis Castillo had a dominant performance, supported by catcher Cal Raleigh and CF Julio Rodriguez. The team will rely on righty George Kirby in their upcoming game. Despite key injuries, the Mariners are ranked 28th in offense, 10th in defense, and have a power ranking of 23. Fans looking for MLB season insights can check out Free MLB Picks.

The Colorado Rockies are struggling amidst a challenging season, sitting at a record of 4-15 and enduring a six-game losing streak. The team is adjusting to a roster without key veterans from previous seasons. In the upcoming game, veteran starter Cal Quantrill will take the mound. Quantrill has a record of 0-2 with an ERA of 5.57 this season. The team is also dealing with key injuries to players like Kris Bryant, Lucas Gilbreath, and German Marquez. Despite their offensive ranking at #20, the Rockies rank poorly in defense at #30, giving up an average of 6.11 runs per game. In their last three matchups, the Rockies have had the upper hand against the Seattle Mariners.

Recent head-to-head

  • 2024-04-20Seattle Mariners 7 · Colorado Rockies 0
Final result

Matchup pick recap

Colorado Rockies defeated Seattle Mariners 2-1

Colorado Rockies defeated Seattle Mariners 2-1 on April 21, 2024, a 1-run decision in the series. Colorado Rockies' strongest period was the 10th inning, when it outscored its opponent 2-1. Against SportsJaw's recorded Seattle Mariners -1.5 (-120) spread, Colorado Rockies covered, while the 3 combined runs finished under the recorded total of 10.

SportsJaw editorial picks

  • Projected winnerNo published selectionUnavailable

Tipster picks

  • BjenkinsTotal · Under 10.5 (-110)Win
  • AdrianMariucciMoneyline · Seattle Mariners -185Loss
  • Teddy718Moneyline · Seattle Mariners -190Loss
  • CoversMoneyline · Seattle Mariners -190Loss
  • BooksworstnightmareMoneyline · Seattle Mariners -190Loss
  • OddssharkTotal · Over 10.5 (-110)Loss
  • BtMoneyline · Seattle Mariners -190Loss
  • Barry713Total · Under 10.5 (-110)Win
  • CoolioMoneyline · Colorado Rockies +163Win
  • CoolioTotal · Under 10.5 (-110)Win
  • OddssharkMoneyline · Colorado Rockies +163Win