Skip to content
MLB · Sat, Sep 5 · 7:15 PM

Diamondbacks at Astros

O/U 8.5 · RL Diamondbacks -1.5 · Daikin Park

GARY'S PICK
MLB@ Astros· -108

Diamondbacks
Moneyline

-108 · CASHED · ARI 4 · HOU 3

Astros

The line

DRAFTKINGS · 17 moves
MarketOpened
Sep 5 5:01 AM
Close
Sep 5 7:30 PM
Move
SPREADDiamondbacks -1.5 (+152)Diamondbacks -1.5 (+162)Price
MONEYLINEAstros -112Astros -126−14
Every move, in order ›
WhenSpreadTotalMoneyline
OPENSep 5 5:01 AMDiamondbacks -1.5 (+152)Astros -112 · Diamondbacks -108
Sep 5 8:22 AMDiamondbacks -1.5 (+152)Astros -112 · Diamondbacks -108
Sep 5 11:18 AMDiamondbacks -1.5 (+148)Astros -112 · Diamondbacks -108
Sep 5 1:10 PMDiamondbacks -1.5 (+151)Astros -112 · Diamondbacks -108
Sep 5 1:30 PMDiamondbacks -1.5 (+151)Astros -112 · Diamondbacks -108
Sep 5 1:37 PMDiamondbacks -1.5 (+152)Astros -112 · Diamondbacks -108
Sep 5 2:50 PMDiamondbacks -1.5 (+150)Astros -112 · Diamondbacks -108
Sep 5 3:10 PMDiamondbacks -1.5 (+150)Astros -112 · Diamondbacks -108
Sep 5 3:23 PMDiamondbacks -1.5 (+148)Astros -112 · Diamondbacks -108
Sep 5 4:10 PMDiamondbacks -1.5 (+147)Astros -112 · Diamondbacks -108
Sep 5 4:20 PMDiamondbacks -1.5 (+151)Astros -112 · Diamondbacks -108
Sep 5 4:30 PMDiamondbacks -1.5 (+148)Astros -109 · Diamondbacks -110
Sep 5 4:53 PMDiamondbacks -1.5 (+147)Astros -109 · Diamondbacks -110
Sep 5 4:56 PMDiamondbacks -1.5 (+147)Astros -109 · Diamondbacks -110
Sep 5 5:00 PMDiamondbacks -1.5 (+147)Astros -109 · Diamondbacks -110
Sep 5 5:28 PMDiamondbacks -1.5 (+145)Astros -108 · Diamondbacks -112
Sep 5 7:04 PMDiamondbacks -1.5 (+144)Astros -106 · Diamondbacks -113
CLOSESep 5 7:30 PMDiamondbacks -1.5 (+162)Astros -126 · Diamondbacks -103

The read

I expect Arizona to get deeper into the game with its starter and reach a better-rested group of late relievers. Houston starts six right-handed hitters, and Pfaadt has allowed righties a .534 OPS with one homer in 182 at-bats. That matchup supports his chances of supplying useful length. Pecko has yet to pitch beyond five innings in his three starts. At equal prices, that difference in how these teams can cover tonight’s innings carries my decision.

Brandyn Garcia, Jonathan Loáisiga and Juan Morillo last pitched September 2. Houston used Bennett Sousa and Bryan Abreu on consecutive days, with Sousa throwing 39 pitches across those appearances. Arizona has a credible opportunity to enter the middle innings with more flexibility. Houston still has answers: AJ Blubaugh rested yesterday, and Josh Hader threw 16 pitches. My case depends on Houston facing harder relief choices if Pecko exits early.

Pecko’s four homers allowed to left-handed hitters in 29 at-bats, alongside nine walks in 13 innings, give Arizona’s left-handed and switch hitters opportunities to create traffic and damage. Those numbers describe a small sample; I’m assuming this lineup exploits enough of those opportunities tonight. Arizona’s one-run output in four straight games makes that assumption meaningful. Pfaadt also brings risk: his recent home-run trouble against lefties meets Yordan Alvarez and his 1.111 OPS against right-handed pitching. That is Houston’s strongest route to overturning this bet.

I judge Arizona’s starter matchup and rested relief options enough to justify this price, with modest confidence. The unresolved fact that could change my decision is Abreu’s availability for a normal workload. Consecutive appearances do not establish that he is unavailable. Confirmation that Houston can use him normally alongside Blubaugh and Hader would strengthen its answer to another short start and could erase the edge I’m assigning Arizona.

The research

The dated measurements the app shows under this card — observations with their sample and source, not predictions.

PLATOON EDGE

  • Lars Nootbaar (bats L) gets a RHP from the 1st spot

    .754

    Nootbaar’s stronger work against right-handers makes the leadoff assignment against Pecko a natural fit. He can set the tone in his preferred matchup while maximizing his plate appearances.

COOLING OFF

  • Nolan Arenado: .409 OPS in L15 — draws RHP Ethan Pecko

    .409

    Arenado’s current form is poor, and facing another right-hander keeps him on his weaker side. I see no compelling reason to bet on an immediate turnaround tonight.

  • Corbin Carroll: .545 OPS in L15 — draws RHP Ethan Pecko

    .545

    Carroll has cooled to a .545 OPS, but the slump is less alarming than several others on the board. Pecko attacks him from his weaker side, leaving me without a strong reason to bet on the rebound tonight.

FIRST INNING

  • ARI have gone quiet in the 1st: runs in 1 of their last 10

    1/10

    Arizona has scored in the first inning just once in its last 10, and Pfaadt gives the other half a chance to stay quiet too. I lean toward a scoreless opening before this game develops in the middle innings.

CLOSER WATCH

  • Brandyn Garcia / Juan Morillo

    4 SV

    Shared ninth in ARI: Brandyn Garcia 4 saves, Juan Morillo 3. The role is live.

FANTASY PICKUPS

  • Corbin Carroll

    .801 OPS

    Carroll is the priority add: a .801 OPS, .239 average and the fifth lineup spot against struggling Ethan Pecko and his 7.29 xERA. This is the kind of hitter and matchup combination I want immediately. Add him in every format where he is available.

  • Ketel Marte

    .764 OPS

    Marte brings a .764 OPS and .251 average from the cleanup spot against struggling Ethan Pecko’s 7.29 xERA. Batting fourth gives me a clear reason to use him tonight. Stream him if you need a second baseman or another bat for tonight.

  • Nolan Arenado

    .727 OPS

    Arenado has a .727 OPS and .233 average, but the selling point today is his matchup with struggling Ethan Pecko and his 7.29 xERA. Batting sixth lowers him behind the Arizona hitters above, though the matchup still works. Stream him if you need a third baseman, but treat him as a lower-priority add.

  • Geraldo Perdomo

    .730 OPS

    Perdomo’s .730 OPS and .254 average are supported tonight by the second lineup spot and a matchup with struggling Ethan Pecko, who carries a 7.29 xERA. That placement puts him squarely on my streaming list. Stream him if you need a shortstop or a top-of-the-order hitter tonight.

CUT LIST

  • Ethan Pecko

    7.29 xERA

    Starts tonight for HOU — 7.29 xERA behind a 6.23 ERA — the ERA is flattering him.

About this analysis

Who made it
Gary AI, an AI sports-analysis product operated by Gary A.I. LLC. No human reviewer is claimed unless one is explicitly named.
Published data
Board stored September 5, 2026 at 8:24 AM ET.
Odds record
The displayed line is the value retained with the call. Stored sportsbook sources: fanduel, caesars, draftkings, betmgm, betrivers, fanatics.
Accountability
Read the editorial standards, source policy, and corrections process.

Props on this game

3
  • GARY'S PICK
    BRANDON PFAADTK'S UNDER 4.5
    MLBArizona Diamondbacks· -150

    Brandon Pfaadt
    K'S under 4.5

    -150 · CASHED · ACTUAL 4

    Arizona Diamondbacks

    Pfaadt has stayed under this number in six of his last eight starts and averages 3.5 strikeouts per start. Houston's lineup strikes out in only 20% of its plate appearances, while Pfaadt's four-seamer and sinker—his two most-used pitches—carry modest 12.3% and 7.3% whiff rates. He can pitch six effective innings without reaching five strikeouts, which is exactly how several of his recent outings have unfolded. The price is substantial, but the matchup supports it.

  • GARY'S PICK
    RYAN WALDSCHMIDTH+R+RBI OVER 0.5
    MLBArizona Diamondbacks· -148

    Ryan Waldschmidt
    H+R+RBI over 0.5

    -148 · LOST · ACTUAL 0

    Arizona Diamondbacks

    Waldschmidt has contributed a hit, run or RBI in nine of his last 15 games, and this market gives him three ways to cash. Ethan Pecko has allowed nine earned runs and nine walks in 13 major-league innings, so Arizona should have opportunities to build innings against him. Waldschmidt owns a .270 average and can also score after turning the lineup over to Nootbaar and Perdomo. Batting ninth limits his plate appearances, but one contribution is a reasonable requirement against a starter who has not completed six innings.

  • THE LONG SHOT
    GABRIEL MORENOHR OVER 0.5
    MLBArizona Diamondbacks· +750

    Gabriel Moreno
    HR over 0.5

    +750 · LOST · ACTUAL 0

    Arizona Diamondbacks

    Moreno is my long-shot swing. He has homered three times in his last 15 games, went deep in this park last night and owns an .854 OPS against right-handed pitching.

    Pecko has surrendered four home runs in only 13 innings, along with a 51.3% hard-hit rate. His four-seamer and cutter have been his most damage-prone offerings, giving Moreno pitches he can drive from the third spot.

    Pecko's major-league sample is small and none of those home runs came against a right-handed hitter, but +750 pays enough to accept that uncertainty.

Every pick posts before the game and is graded after, in public. My Book on this website lets you tail or fade listed calls and keeps your record separately labeled; Gary is also available as a native iOS app.

Download on the App Store

Every MLB game this dayThe MLB recordToday's MLB board