Skip to content
GARY A.I.Get the app
MLB · Sat, Jul 18 · 4:10 PM

Orioles at Astros

O/U 6.5 · RL Orioles -1.5 · Daikin Park

GARY'S PICK
Orioles Moneyline
MLB@ Astros· -108

Orioles
Moneyline

-108 · CASHED · BAL 4 · HOU 2

Astros

The pick & result

Published pick
Orioles ML -108
Published odds
-108
Result
Won
Final score
4-2

Odds are the American price printed with this pick, not a current offer. Wins, losses and pushes remain on the public record; a missing grade is not a win.

The read

Daikin Park sets the stage this afternoon as the surging Orioles look to keep their hot streak alive against an Astros squad fighting to defend their home turf. On the mound, we are looking at two starting pitchers with identical 4.50-range ERAs, but their paths to those numbers couldn’t be more different. Baltimore’s Trevor Rogers has been on an absolute tear, posting a dominant 0.74 ERA over his last four starts, and his underlying 4.27 expected ERA suggests his season-long performance is both sustainable and improving. In contrast, Houston’s Spencer Arrighetti is a walking regression candidate, sporting a massive 5.20 expected ERA that points to serious trouble under the hood. Arrighetti has already shown a low floor with two eight-run blowouts in his last five outings, and his highly vulnerable four-seam fastball, which allows a .420 xwOBA, is a major liability.

The Orioles’ lineup is perfectly structured to exploit Arrighetti’s primary weakness. The Houston righty has struggled mightily against left-handed hitting, allowing a hefty .798 OPS to lefties compared to a stingy .593 against right-handed batters. Baltimore rolls out a lineup featuring six left-handed hitters plus switch-hitting Adley Rutschman, maximizing this platoon advantage. This sets up beautifully for Gunnar Henderson, who has historically hammered Arrighetti to the tune of a .500 average and a home run in six career at-bats, as well as Pete Alonso, who has a career .431 xwOBA against four-seam fastballs. Houston’s defensive structure also faces a fresh disruption in center field, where rookie Lucas Spence has to fill in after Brice Matthews was placed on the 10-day injured list yesterday with a knee injury.

Momentum is heavily on the side of the visitors, with Baltimore riding a five-game winning streak while Houston has dropped its last two and is just 4-6 in its last ten games. While Houston possesses a rest advantage in their back-end bullpen with Josh Hader, they have to get to him with a lead first. With Arrighetti’s high volatility and his distinct platoon struggles against a left-handed-heavy Orioles core, Baltimore is in a fantastic position to jump on the Astros’ starter early and build a lead that Rogers and the Orioles can protect. At a flat pick'em price, backing the hotter team with the pitcher in far superior form is the sharp play today.

Injuries noted

Astros: [KNOWN] Bennett Sousa (RP) — Elbow (Left): Sousa (elbow) struck out one over a scoreless inning in a rehab appearance Sunday with Triple-A Sugar Land. (Jul 7 — 10d ago) [KNOWN] Carlos Correa (SS) — Ankle (Left): Correa is scheduled to undergo surgery Monday in Houston to repair the tendon in his left ankle, Brian McTaggart of MLB.com reports. (Jun 2 — 45d ago) [NEW] Brice Matthews (CF) — Knee (Left): The Astros announced that Matthews was removed from Sunday's game against the Rangers after the first inning due to a left knee injury, Matt Kawahara of the Houston Chronicle reports. (Jul 17 — 0d ago) [NEW] Mike Burrows (SP) — Elbow (Right): General manager Dana Brown said Wednesday that Burrows (elbow) is expected to begin throwing off a mound within the next 7-to-10 days, Chandler Rome of The Athletic reports. (Jul 15 — 2d ago) Orioles: [KNOWN] Ryan Mountcastle (First Baseman) — Foot (Left): Mountcastle (foot) did some running Saturday, Roch Kubatko of MASNSports.com reports. (Jun 13 — 34d ago) [NEW] Chris Bassitt (SP) — Back (Not Specified): The Orioles transferred Bassitt (back) to the 60-day injured list Friday, Jake Rill of MLB.com reports. (Jul 18 — 0d ago) [NEW] Keegan Akin (RP) — Elbow (Left): Akin (elbow) underwent Tommy John surgery Wednesday, Jake Rill of MLB.com reports. (Jul 15 — 2d ago) [KNOWN] Ryan Helsley (RP) — Elbow (Right): Helsley was diagnosed with inflammation around the UCL in his right elbow Saturday, Matt Weyrich of The Baltimore Sun reports. (Jul 11 — 6d ago) [NEW] Blaze Alexander (3B) — Hand (Left): Alexander (hand) does not have a timeline to return from the 10-day injured list, Jacob Calvin Meyer of The Baltimore Sun reports. (Jul 17 — 0d ago)

The research

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

STARTER FORM

  • Spencer Arrighetti: 11.77 ERA over his last 3 starts

    11.77

    He is carrying a 11.77 ERA over his last 13 innings with a 2.00 WHIP (1.33 season) — the 4.50 season line is doing a lot of work for him right now.

  • Trevor Rogers: 1.04 ERA over his last 3 starts

    1.04

    He has allowed 2 earned runs over his last 17.3 innings (1.04 ERA) with a 1.10 WHIP (1.31 season) — a different pitcher than the 4.48 season line says.

PLATOON EDGE

  • Samuel Basallo (bats L) draws Spencer Arrighetti (RHP), batting 5th

    .849

    Samuel Basallo carries a .849 OPS vs. Right (204 AB) against .518 the other way (74 AB), and faces RHP Spencer Arrighetti from the 5th spot — a split his blended season line may not reflect.

HEAT CHECK

  • Yainer Diaz: 1.116 OPS in Last 15 Days

    1.116

    Over the last 15 days (23 PA) he is at a 1.116 OPS, up 0.428 on his .688 season mark. His total-bases line tonight: 1.5.

STREAK

  • BAL games have gone UNDER 4 straight

    U4

    The under has cashed 4 in a row in BAL games: 7.5 combined runs per game vs lines averaging 9.1. Tonight's number sits at 8.5.

  • BAL have won 4 straight

    W4

    Baltimore Orioles have won 4 straight, outscoring teams by 14 runs over the run; 4-2 across their last 6.

All research from this day

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
Daily picks first stored July 18, 2026 at 11:44 AM ET.
Odds record
The pick receipt shows the price printed in the published ticket. The matchup market and line ladder provide separate market context. Stored sportsbook sources: fanduel, fanatics, caesars, draftkings, betmgm, betrivers.
Accountability
Read the editorial standards, source policy, and corrections process.

Props on this game

2
  • GARY'S PICK
    PETE ALONSOTOTAL BASES OVER 1.5
    MLBOrioles· +131

    Pete Alonso
    Total Bases over 1.5

    +131 · LOST · ACTUAL 0

    Orioles

    This is a clear situational edge against Spencer Arrighetti, who has struggled significantly of late. Arrighetti has surrendered an alarmingly high 9.72 ERA over his last five starts, most recently getting chased after allowing eight earned runs in just three innings of work on July 8.

    Pete Alonso matches up perfectly against Arrighetti's profile; while Alonso can be streaky, he has feasted on right-handed pitching this season, posting an .874 OPS and slugging 17 of his 21 home runs in that split. Arrighetti is primarily a fly-ball pitcher (0.76 GO/AO), which is a dangerous approach against Alonso in a hitter-friendly venue like Daikin Park (1.05 park factor).

    Given Arrighetti's recent inability to limit hard contact (8.2% barrel rate allowed), Alonso is in a prime spot to clear this line with a single extra-base hit or a multi-hit performance. The risk is Arrighetti's strikeout potential (8.9 K/9), but his current lack of command makes the over at +131 a strong value play.

  • GARY'S PICK
    YORDAN ALVAREZTOTAL BASES OVER 1.5
    MLBAstros· +107

    Yordan Alvarez
    Total Bases over 1.5

    +107 · CASHED · ACTUAL 2

    Astros

    Yordan Alvarez is currently putting together an MVP-caliber season and is a legitimate Triple Crown contender, leading the league in several power categories while maintaining a .321 average. His performance at Daikin Park is elite, where he boasts a .366 average and a massive 1.184 OPS.

    While Orioles starter Trevor Rogers is currently in a good run of form, his season-long xERA of 4.27 suggests he is due for regression, and he has not faced a hitter of Alvarez's caliber in this stretch. Alvarez has been incredibly consistent recently, clearing 1.5 total bases in four of his last five games and hitting .351 over his last 10.

    Despite the lefty-on-lefty matchup, Alvarez's .902 OPS against southpaws and his staggering home splits make him a threat to clear this line in every plate appearance. The risk is Rogers' recent effectiveness against lefties, but Alvarez's home dominance usually trumps standard platoon splits.

Every prop from this day is on the archive page.

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.

Get Gary on the App Store

Every MLB game this dayThe MLB recordToday's MLB picksEvery sport this day