Seattle Mariners vs. Arizona Diamondbacks Betting Preview

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The Arizona Diamondbacks are playing host to the Seattle Mariners at Chase Field. This interleague matchup will get underway at 4:10 p.m. ET and Fox Sports Arizona will be airing the game.

Seattle Mariners vs. Arizona Diamondbacks Odds

Arizona (-185) is favored against Seattle (+175) and Vegas has put the Over/Under for this game at 8 runs. Odds for betting on the game’s total sit at -110 for both the over and the under. Bettors can also wager on the game’s runline with the current odds standing at -125 for the Mariners +1.5 runs and +105 for the Diamondbacks -1.5.

The Mariners have gone 74-56 SU this year and are 65-64 against the spread (ATS). They’ve gained 13.5 units for moneyline bettors, despite having lost 3.8 units ATS. Seattle has covered the spread four times in its last seven games and the total has gone over in six of those seven. The Diamondbacks, on the other hand, are 71-58 SU and 64-64 ATS. The team’s gained 4.7 units for moneyline bettors and 4.7 units ATS. Arizona has a 3-4 ATS record over its last seven games and the over has hit in four of those seven.

Neither team has been a strong over/under play this year. Diamondbacks games have a 60-62-6 over/under record in 2018. Seattle has an over/under record of 64-63-2.

The right-handed Mike Leake will get the start for the visiting Mariners. Leake is 8-7 with a 3.90 ERA and 96 strikeouts. He has yet to face the Diamondbacks this year and only made one start against them in 2017 (0-1, 5.40 ERA and four strikeouts across five innings).

The Diamondbacks are turning to righty Zack Greinke (12-8, 3.06 ERA), who has 165 strikeouts and 32 walks to his credit as well as a WHIP of 1.05. Greinke did not record a start against the Mariners in 2017.

Arizona’s pitchers have yielded 3.9 runs per game overall in 2018 as a unit. The club’s starters have a 3.88 ERA, 1.23 WHIP and 9.3 strikeouts per nine innings. The bullpen has posted a solid ERA of just 3.14, a WHIP of 1.20 and a K/9 of 8.1.

The Arizona hitters are putting up 4.5 runs per outing, including 4.9 per game over its last 10 games and 4.0 per game over their last five. The team has hit .262/.335/.419 over its last five contests and is 3-2 SU during that stretch.

First baseman Paul Goldschmidt and outfielder David Peralta have led the Diamondbacks’ batters this year. Goldschmidt is slashing .294/.398/.547 with 29 home runs, 73 RBIs and 81 runs scored, while Peralta is hitting .305 with 25 homers, 70 RBIs and 64 runs.

In the other dugout, Seattle’s pitchers have allowed 4.5 runs per game and its starters own a 4.31 ERA, 1.26 WHIP and 7.75 K/9. The bullpen has an ERA of 3.98, along with a K-per-9 of 8.97.

The Mariners offense has slashed .256/.317/.412 on its way to 4.2 runs scored per game in 2018, including 3.7 runs per game over the team’s last 10 games and 5.2 per game over the team’s last five contests (3-2 SU).

Seattle’s hitters have been paced by shortstop Jean Segura and right fielder Mitch Haniger. The speedy Segura is hitting .316/.348/.437 with nine home runs, 58 RBIs, 80 runs and 19 steals, while Haniger (.280/.368/.485) is up to 22 homers, 83 RBIs and 69 runs scored.

The Mariners have gained 18.1 units and are 44-43 ATS when facing a righty starter this season. The over has hit in 47 of those games, compared to 39 that’ve gone under against right-handed starting pitchers. On the other hand, the Diamondbacks have netted 4.7 units and are 44-40 ATS when facing a right-handed starting pitcher. The over’s hit in 39 of those games, as opposed to 42 which went under the total.

Seattle Mariners vs. Arizona Diamondbacks Free MLB Pick

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Predictions: SU Winner – Diamondbacks, ATS Winner – Mariners, O/U – OVER

Betting Trends

  • The over has cashed in six of Seattle’s last seven contests.
  • The Mariners have hit 11 home runs in their last 10 games, including seven over their last five.
  • Arizona has averaged 23.5 runs + hits + errors over its last 10 games and 22.0 over its last five.