Colorado Rockies at Seattle Mariners odds, picks and predictions

Analyzing Sunday’s Colorado Rockies at Seattle Mariners odds and lines, with MLB expert picks, predictions and best bets.

The Colorado Rockies (5-10) and Seattle Mariners (7-8) finish a 3-game set at T-Mobile Park Sunday. First pitch is at 4:10 p.m. ET. Let’s analyze BetMGM Sportsbook’s lines around the Rockies vs. Mariners odds and make our expert MLB picks and predictions for the best bets.

Season series: Mariners lead 2-0

The Rockies have dropped 4 in a row after a 9-2 defeat in Seattle Saturday night. The Rockies are now 2-6 away from Coors Field. The bats are the problem as they’re hitting .230 with a .292 OBP on the road vs. .298 and .342 OBP at home.

Seattle has won 3 in a row after a 3-game losing skid. OF Jarred Kelenic has a 9-game hitting streak and is hitting .356 with 4 homers and 7 RBIs on the year. Superstar OF Julio Rodriguez really hasn’t done much yet with a .254 BA and 2 homers, but he drove in 4 runs Saturday.

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Rockies at Mariners projected starters

RHP Noah Davis vs. RHP Luis Castillo

Davis (0-0, 0.00 ERA) makes his 1st career start.

  • Allowed 2 ER on 3 H and 1 BB with 2 K at the Los Angeles Dodgers in an inning of relief last season (Oct. 5)
  • In 3 starts at Triple-A Albuquerque this season: 0-0, 4.26 ERA, 1.66 WHIP, 7 BB, 6 K in 12 2/3 IP

Castillo (1-0, 1.02 ERA) makes his 4th start. He has a 0.74 WHIP, 2.0 BB/9 and 8.7 K/9 in 17 2/3 IP.

  • Allowed his first 2 ER of the season over 6 IP with 5 K’s against the Chicago Cubs last time out on Tuesday
  • Has rough numbers in 3 career starts vs. Colorado (2 at Coors Field): 0-3, 11.30 ERA, 27 H in 14 1/3 IP

Rockies at Mariners odds

Provided by BetMGM Sportsbook; access USA TODAY Sports Scores and Sports Betting Odds hub for a full list. Lines last updated at 10:34 a.m. ET.

  • Moneyline (ML): Rockies +230 (bet $100 to win $230) | Mariners -300 (bet $300 to win $100)
  • Run line (RL)/Against the spread (ATS): Rockies +2.5 (-130) | Mariners -2.5 (+110)
  • Over/Under (O/U): 8 (O: -110 | U: -110)

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Rockies at Mariners picks and predictions

Prediction

Mariners 6, Rockies 3

Moneyline

I take Castillo’s poor numbers against Colorado with a grain of salt. He’s a better pitcher in a much-better ballpark. He has allowed just 3 H and 2 BB while fanning 12 in 11 2/3 scoreless innings at home this year. The -300 is priced correctly, but you can’t risk 3 times your return.

Head to the Win/Total section and take MARINERS AND OVER 5.5 (-135).

Run line/Against the spread

Barely getting plus-money on a game you must win by 3 or more isn’t a good bet to make, though it should happen.

PASS.

With Kelenic on a 9-game hitting streak and a pitcher making his 1st start, he’s a bargain to get a hit Sunday. Take JARRED KELENIC OVER 0.5 HITS (-150).

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Over/Under

The wind is blowing out to left-center field at 15 mph. There is also a 97% chance of rain, which could put this game into jeopardy. The Under is 5-1 in the last 6 meetings and 4-1 in the last 5 in Seattle. However, the wind, Colorado starting a rookie pitcher and 3 of Seattle’s last 4 games with 8 or more runs will make me LEAN OVER 8 (-110).

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