Prediction, Preview, and Odds
#909 Arizona Diamondbacks -120 vs.
#910 Colorado Rockies 12.5
Tuesday, August 13, 2019 at 8:40pm EDT
Written by Adam Rauzino

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The Colorado Rockies will host the Arizona Diamondbacks in a divisional matchup Tuesday night from Coors Field. The Diamondbacks will give the nod to 24-year-old right-hander Zac Gallen, and the Rockies will counter with 27-year-old right-hander Jon Gray. The Rockies hold an 8-5 lead in the season series.

Gallen Shines in D-Backs Debut

Zac Gallen will make his ninth start of the season, hunting for his second straight win. Gallen made his D-Backs debut last time out after being acquired from the Marlins and he was outstanding, firing five shutout innings against the Phillies in a 6-1 win. The rookie right-hander is having a very promising rookie year, sporting a 2.40 ERA and a 1.14 WHIP accompanied with a 2-3 record in 41.1 innings of work. Gallen is facing the Rockies for the first time of his young career in this one.

Watch for David Peralta as he is a sizzling 9 for 21 against Rockies’ starter Jon Gray. The veteran left-fielder is having a strong season, carrying a .280 average with 10 big flys and 52 RBI’s. Peralta is 8 for 26 with seven RBI’s against the Rockies this season.

The Diamondbacks have surprised many with their Wildcard push. They continue to benefit from strong hitting and pitching. Arizona is only three games out of a Wildcard spot. Their next four series’ occur against divisional opponents.

The D-Backs stand ninth in the Major Leagues with an average of 5.14 runs on the season. The Arizona pitching staff features a solid 4.32 team ERA, positioning them 10th in the Majors. The D-Backs are a competitive 32-30 on the road entering Monday.

Jon Gray Attempts to Lift Home Record to 6-2

Jon Gray will get the nod for the 26th time of the year, aiming for his first win of the month. Gray was shelled in his previous start, serving up seven runs (three earned) in 5.2 innings against the Padres in a 9-3 loss. The veteran right-hander hasn’t been quite as sharp recently, although overall he has been the Rockies most consistent starter, and he brings a 4.06 ERA and a 1.39 WHIP accompanied with a 10-8 record in 142 innings into this one. Gray has held the D-Backs to seven runs (six earned) in 16.1 innings this season, and he stands at 3-4 with a subpar 4.77 ERA in 10 career meetings against the division foes. Nick Amed is 2 for 10 against Gray, while Eduardo Escobar is 3 for 9, and Adam Jones is 2 for 8.

Trevor Story has only driven in three RBI’s against Arizona this season, although he features a stellar .386 average in 44 at-bats against the division foes. The young shortstop is playing well, driving in eight runs on the month, and he is currently hitting .282 with 26 home runs and 66 RBI’s on the season.

The Rockies are having a disappointing season, and they are going to miss the playoffs after reaching the NLDS last year. They have really struggled down the stretch and their pitching issues have become apparent. They rank second-last in the bigs with a 1.48 team WHIP.

The Rockies are scoring an average of 5.29 runs on the season, good for seventh in the Major Leagues. The Colorado pitching staff is carrying an awful 5.56 team ERA, pegging them down at 29th overall. The Rockies are 29-27 at Coors Field.

Best Bets for this Game

Full-Game Side Bet

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I am siding with the Diamondbacks in this one. The Diamondbacks are still alive in the Wildcard hunt while the Rockies have faded quickly and their pitching is a big reason why. Arizona has taken advantage of Colorado’s pitching this season, averaging a terrific 5.46 runs in the 13 meetings entering Monday’s play.

Furthermore, D-Backs’ starter Zac Gallen tossed five shutout innings against the Phillies in his Arizona debut after coming over in a trade with the Marlins. The rookie is quietly having an outstanding season, sporting a stellar 2.40 ERA in 41.1 innings logged on the season.

Prediction: Arizona Diamondbacks

Full-Game Total Pick

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I am going with the under in this matchup. The Rockies are inconsistent at the plate, and they are only averaging 4.3 runs in their last ten games entering Monday which is well below their season average, and no one has really gotten to D-Backs’ starter Zac Gallen yet. Also, the under is 5-0-1 in the Rockies’ last six home games.

In addition, while I expect Arizona to score enough runs to win this game, Rockies’ starter Jon Gray is actually more effective at Coors Field where he features a respectable 3.88 ERA on the season, and the under is 7-3 in the last 10 meetings between these two division rivals.

Prediction: Under

Full-Game Prop Bet

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I am selecting Zac Gallen to record the win offered on PointsBet. Gallen has held his opposition to two or fewer runs in all but one outing this season. The rookie right-hander is a pitcher the Rockies have yet to face. Also, the D-Backs’ bullpen has been solid as they rank 13th in the Majors, and they are more than capable of holding the lead for Gallen.

Prediction: Zac Gallen to Record the Win

First Five Innings Prop Prediction

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I am going with the under on the Rockies three-inning team total. Zac Gallen is especially tough to solve early as he is carrying a minuscule 1.96 ERA through innings 1-3. The Rockies’ highest-scoring stretch is usually the second time through the order as they have scored 250 runs in innings 4-6 compared to 196 in innings 1-3, plus this is the first time they have seen Zac Gallen.

Prediction: Rockies Three Inning Team Total Under
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Written By Adam Rauzino

Adam has been a sports fanatic his entire life, closely following hockey, baseball, basketball and football. Adam enjoys analyzing various stats, as well as studying Sabermetrics and analytics to take his picks to a whole new level. Adam has a passion for writing about various sports as well as personal finance and has brought his talents to us here at Winners and Whiners. He graduated with a diploma in business marketing and business finance.