SPORTS·SLATE·AI

Astros at Twins — MLB Odds, Starters, Weather · Monday, May 18, 2026

Houston Astros logo
Astros
34-41
FINAL
36
Twins
35-40
Minnesota Twins logo
FINAL · TOP 9TH
HOU
3
MIN
6
LAST PITTaylor Rogers11P
LAST BATChristian WalkerR
FINAL PLAY · Christian Walker grounds out, shortstop Brooks Lee to first baseman Kody Clemens.
MONEYLINE · IMPLIED PROBABILITY
HOU
POLY
KALSHI
MIN
94¢
POLY100¢
KALSHI94¢
DISPERSION 6¢ · venues diverge — potential edge · $897,037 combined volume · UPDATED 31D AGO
OUR TAKE · SPORTSSLATEAI MODEL
GENERATED 32D AGO
MIN logo
MIN55.3¢3.75U · CONFIDENT
EDGE+6.1%
Confident lean on MIN at 55.3¢ — +6.1% edge, driven by the pitching matchup.
RESULT: WIN·MIN 6-3 HOU
+3.03u
VENUE
Target Field
ROOF
Open
WEATHER
58°F · Overcast
NW 4mph · 7% precip
WATCH
Twins.TV · Space City Home Network
STARTERS
Tatsuya Imai headshot
Tatsuya Imai (R)
HOU · 9 GS
ERA
6.43
WHIP
1.51
K/9
9.51
BB/9
6.17
IP
35.0
Kendry Rojas headshot
Kendry Rojas (L)
MIN · 1 GS · small sample
ERA
1.26
WHIP
1.47
K/9
8.79
BB/9
6.28
IP
14.3
GAME PREVIEW · SPORTSSLATEAI
BY SPORTSSLATEAI·UPDATED 32D AGO·450 WORDS

Houston's Tatsuya Imai carries a 9.23 ERA into Target Field tonight, where the Astros will try to snap out of a season-long funk that has them 18-29 through 47 games. Minnesota sits at 21-26 with a much tighter run differential, setting up a matchup where the pitching disparity could prove decisive.

The starting pitcher contrast tells the story. Imai has been hammered in his four starts, posting a 2.05 WHIP alongside that 9.23 ERA while walking nearly as many batters (9.94 BB/9) as he strikes out (11.37 K/9). His 21.5% walk rate creates constant traffic, and opposing hitters have found the strike zone when he does locate. Minnesota counters with Kendry Rojas, who has been far more effective in limited action — a 2.46 ERA across 7.3 innings with identical 9.82 rates for strikeouts and walks per nine. While Rojas carries his own control concerns, his early results suggest better command than what Houston is getting from their starter.

The offensive picture favors Houston's top-end talent but Minnesota's depth. Yordan Alvarez continues to rake at a 1.061 OPS with 15 home runs through 208 plate appearances, giving the Astros a legitimate middle-of-the-order threat. Christian Walker adds pop at .857 OPS with 11 homers, while Carlos Correa provides steady production at .787 OPS. The Twins counter with a more balanced attack led by Ryan Jeffers (.948 OPS, 7 homers) and Byron Buxton (.899 OPS, 15 homers). Minnesota's 4.66 runs per game edges Houston's 4.28 mark, though neither offense has been dominant.

The broader pitching context heavily favors Minnesota. The Twins' staff ERA of 4.44 sits nearly a full run better than Houston's 5.43 mark, while their 1.36 WHIP compares favorably to the Astros' 1.55. Minnesota's pitchers have allowed just 0.94 home runs per nine innings against Houston's 1.35 rate, and their 3.69 walks per nine represents significantly better command than the Astros' 5.17 mark. Houston's 8.84 strikeouts per nine does top Minnesota's 7.67 rate, but the control issues have negated that advantage.

The market pricing reflects these underlying numbers, with Minnesota favored at 55.3¢ implied probability despite notable dispersion between the platforms. Polymarket backs the Twins more heavily at 62¢ while Kalshi shows them at 52¢, creating a 10-cent gap that suggests some uncertainty about the true line. Given Imai's early-season struggles and Minnesota's superior run prevention, the home favorite appears appropriately priced. Houston's offensive upside keeps this from being a runaway, but the pitching mismatch tilts the edge toward the Twins at Target Field.

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 8-7
@KC · 6/13
L 0-4
@KC · 6/14
L 3-9
vsDET · 6/15
W 4-2
vsDET · 6/16
W 4-2
vsDET · 6/17
OLDEST → LATEST
MIN · 4-1 L5
W 9-8
vsSTL · 6/12
L 6-9
vsSTL · 6/13
W 5-4
vsSTL · 6/14
W 4-2
@TEX · 6/15
W 12-2
@TEX · 6/16
OLDEST → LATEST
INJURIES
Houston Astros logo
HOU14 ON IL
P
Brandon Walter
Left elbow surgery recovery
60-DAY · 54D
P
Right elbow surgery recovery
15-DAY · 54D
P
Hayden Wesneski
Recovery from right elbow surgery
15-DAY · 49D
CF
Grade two right oblique strain
10-DAY · 39D
P
Ronel Blanco
Right elbow surgery recovery
15-DAY · 38D
P
Left biceps tendinitis
15-DAY · 31D
LF
Right quad strain
10-DAY · 30D
P
Grade two right shoulder strain
15-DAY · 28D
CF
Left groin strain
10-DAY · 27D
C
Left oblique strain
10-DAY · 13D
SS
Left ankle tendon injury
10-DAY · 13D
P
Left elbow inflammation
15-DAY · 12D
P
Right shoulder strain
15-DAY · 9D
2B
Left oblique strain
10-DAY · 1D
Minnesota Twins logo
MIN7 ON IL
P
Pablo López
Tommy John surgery
60-DAY · 81D
P
David Festa
Right shoulder impingement
15-DAY · 46D
P
Right forearm strain
15-DAY · 39D
P
Right elbow inflammation
15-DAY · 31D
P
Right shoulder strain
15-DAY · 22D
P
Right forearm strain
15-DAY · 19D
P
Right pectoralis muscle inflammation
15-DAY · 12D
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.