SPORTS·SLATE·AI

Astros at Reds — MLB Odds, Starters, Weather · Saturday, May 9, 2026

Houston Astros logo
Astros
30-38
FINAL
13
Reds
32-33
Cincinnati Reds logo
FINAL · TOP 9TH
HOU
1
CIN
3
LAST PITPierce Johnson12P
LAST BATCam SmithR
FINAL PLAY · Cam Smith grounds out softly, third baseman Ke'Bryan Hayes to first baseman Spencer Steer.
MONEYLINE · IMPLIED PROBABILITY
HOU
POLY
KALSHI
CIN
100¢
POLY100¢
KALSHI100¢
DISPERSION 1¢ · venues aligned · $3,376,935 combined volume · UPDATED 32D AGO
OUR TAKE · SPORTSSLATEAI MODEL
GENERATED 32D AGO
The model sees Houston at 44.6% against the market's 40.0%, creating a theoretical edge on paper. However, with Cincinnati holding advantages in run prevention at 4.6 RA/G to Houston's 6.1 and a superior starter in Burns (2.20 ERA, 1.02 WHIP), we're standing down on what projects as a coin flip.
RESULT: LOSS·HOU 1-3 CIN
VENUE
Great American Ball Park
ROOF
Open
WEATHER
74°F · Clear
SW 10mph
WATCH
FS1 · Reds.TV · Space City Home Network
STARTERS
Spencer Arrighetti headshot
Spencer Arrighetti (R)
HOU · 10 GS
ERA
2.21
WHIP
1.19
K/9
8.37
BB/9
4.89
IP
57.0
Chase Burns headshot
Chase Burns (R)
CIN · 13 GS
ERA
2.14
WHIP
0.99
K/9
10.47
BB/9
2.74
IP
75.7
GAME PREVIEW · SPORTSSLATEAI
BY SPORTSSLATEAI·UPDATED 32D AGO·549 WORDS

The Houston Astros bring a struggling 15-23 record into Cincinnati tonight, where they'll face a Reds team that's been equally disappointing at 20-18 but carries a significant pitching advantage on the mound. The market has Cincinnati priced as a 60-cent favorite, reflecting what appears to be a clear edge in starting pitching quality.

Spencer Arrighetti takes the ball for Houston with a deceptive 4-0 record through four starts, but his underlying numbers tell a more volatile story. Despite the perfect win-loss mark, Arrighetti carries a 1.30 WHIP and an alarming 5.48 BB/9 walk rate through 23.0 innings. His 24.8% strikeout rate provides some upside, but the control issues create constant baserunner traffic that could prove costly against a Cincinnati lineup that's shown patience at the plate.

Chase Burns presents a stark contrast for the Reds, posting elite command numbers through seven starts. The right-hander has compiled a 2.20 ERA and 1.02 WHIP across 41.0 innings, anchored by exceptional strike-throwing ability at just 2.85 BB/9. Burns' 28.6% strikeout rate paired with an 8.1% walk rate creates a dominant profile that should give Cincinnati's offense plenty of opportunities to work with leads.

Houston's offensive attack centers around Yordan Alvarez, who continues to produce at an elite level with a 1.079 OPS through 172 plate appearances. Alvarez has mashed 13 home runs while posting a .424 on-base percentage, giving the Astros their most reliable threat in the middle of the order. Christian Walker provides secondary pop at .918 OPS with nine homers, but the supporting cast remains thin beyond those two anchors.

Cincinnati's lineup lacks the star power of Houston's top tier but offers more balanced production throughout the order. Elly De La Cruz leads the way at .857 OPS with 10 home runs and 28 RBI through 173 plate appearances, while Nathaniel Lowe contributes steady production at .909 OPS. JJ Bleday has emerged as a legitimate threat in limited action, posting a 1.062 OPS with four homers in just 43 plate appearances.

The broader pitching picture favors Cincinnati significantly, with the Reds' staff posting a 4.75 ERA compared to Houston's struggling 5.67 mark. Houston's pitching woes extend beyond just runs allowed — their 1.61 WHIP and 5.33 BB/9 walk rate suggest fundamental command issues that have plagued them throughout the early season. Cincinnati's staff maintains better control at 4.81 BB/9 while limiting hard contact more effectively.

Recent headlines point to continued struggles for the Reds organization, with FanGraphs noting that "Things Probably Can't Get Worse for the Reds" — though their 20-18 record suggests they've found some stability compared to Houston's 15-23 mark. The Astros have managed just a .500 record over their last 10 games while Cincinnati has stumbled to a 1-8 stretch, indicating both teams are searching for consistency.

The market's 60-cent pricing on Cincinnati appears well-calibrated given the substantial gap in starting pitching quality and the Reds' home-field advantage. Burns' command profile against Arrighetti's walk issues creates a clear mismatch that should favor the home side, while Cincinnati's more balanced offensive attack could capitalize on Houston's pitching vulnerabilities throughout the game.

If you or someone you know has a gambling problem, call 1-800-GAMBLER. Must be 21+. Market prices sourced from prediction markets (Polymarket, Kalshi), not traditional sportsbooks.

RECENT FORM · LAST 5
HOU · 3-2 L5
W 5-1
vsOAK · 6/5
W 13-2
vsOAK · 6/6
L 0-5
vsOAK · 6/7
W 5-4
@LAA · 6/8
L 1-10
@LAA · 6/9
OLDEST → LATEST
CIN · 1-4 L5
L 5-6
@STL · 6/6
L 3-5
@STL · 6/7
L 2-6
@SD · 6/8
W 5-3
@SD · 6/9
L 4-5
@SD · 6/10
OLDEST → LATEST
INJURIES
Houston Astros logo
HOU15 ON IL
P
Right elbow surgery recovery
15-DAY · 45D
P
Brandon Walter
Left elbow surgery recovery
60-DAY · 45D
P
Hayden Wesneski
Recovery from right elbow surgery
15-DAY · 40D
CF
Grade two right oblique strain
10-DAY · 30D
P
Ronel Blanco
Right elbow surgery recovery
15-DAY · 29D
P
Right arm fatigue
15-DAY · 27D
SS
Grade one hamstring strain
10-DAY · 27D
P
Left biceps tendinitis
15-DAY · 22D
LF
Right quad strain
10-DAY · 21D
P
Grade two right shoulder strain
15-DAY · 19D
CF
Left groin strain
10-DAY · 18D
C
Left oblique strain
10-DAY · 4D
SS
Left ankle tendon injury
10-DAY · 4D
P
Left elbow inflammation
15-DAY · 3D
P
Right shoulder strain
15-DAY · 0D
Cincinnati Reds logo
CIN5 ON IL
P
Oblique muscle strain
15-DAY · 48D
P
Hunter Greene
Right elbow surgery
60-DAY · 47D
3B
Mild left oblique strain
10-DAY · 16D
P
Left hamstring strain
15-DAY · 3D
P
Left shoulder fatigue
15-DAY · 3D
If you or someone you know has a gambling problem, call 1-800-GAMBLER. Must be 21+. Market prices sourced from prediction markets (Polymarket, Kalshi), not traditional sportsbooks.