White Sox vs. Guardians Prediction & Picks: MLB Odds for Wednesday, Sept. 16

The three-game series between AL Central rivals concludes at Progressive Park, as my White Sox vs. Guardians prediction analyzes why the Guardians will prevail to win the series in their last game of the season against Chicago.

The Guardians are the moneyline favorites at -170, with the White Sox’s line set at +145 heading into Wednesday afternoon’s tilt. First pitch is at 1:10 p.m. ET on MLB.tv. As part of my MLB picks, I also break down why Guardians starter Parker Messick is set for a dominant performance.

⚾ White Sox vs. Guardians picks & odds today

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🏆 Who will win White Sox vs. Guardians?

After a slow start to the series, I’m taking the Guardians to win this one. With Parker Messick on the mound for Cleveland, scoring opportunities will come at a premium for the visiting White Sox.

Score prediction: Guardians 4, White Sox 1

💰 White Sox vs. Guardians prediction & best bet

Guardians -1.5 (+130)

We like Cleveland’s chances of covering the run line if Parker Messick can help extend Chicago’s struggles against elite left-handed pitching. The 25-year-old enters Wednesday’s game with a 2.51 ERA and 178 strikeouts in 172 innings.

Chicago’s decision to name a starter late for Wednesday’s game could benefit Cleveland, especially if the White Sox bullpen has to cover heavy innings.

The White Sox bullpen is suffering from fatigue caused by the starting staff’s recent inability to go deep into games.

🔥 Best White Sox vs. Guardians player prop bet

Parker Messick Over 5.5 strikeouts (-202)

Messick’s fourth start against the White Sox in 2026 is arguably his biggest of the season. With Cleveland in the hunt for an American League Wild Card spot, there’s massive value in backing Messick to register over 5.5 strikeouts. Cleveland is a half-game back of the White Sox.

Messick ranks inside the top 30 MLB pitchers when it comes to strikes thrown that were swung at and missed, which suggests that Chicago could struggle just to get contact on the ball.

Messick struck out 10 White Sox batters in his first start before whiffing another three in his second, and striking out eight in his last start during an 8-2 win in August.

💣 White Sox vs. Guardians home run prediction

Munetaka Murakami to hit a home run (+435)

With an elite barrel rate of 18.7% and an average exit velocity of 93.8 mph, Munetaka Murakami has established himself as one of the best power hitters in baseball.

Up against Parker Messick, who tends to be a fly-ball pitcher, there’s a good chance Murakami is going to knock one out if he can get decent contact.

As he’s shown 31 times this season, when Chicago’s home run leader connects, it usually results in a rocket that either goes over the wall or comes close.

📊 Live White Sox vs. Guardians odds

The line has moved slightly since opening at Cleveland -160, pushing out to -170 following confirmation last night that Anthony Kay is going to take the mound for the White Sox. The announcement also triggered some movement on the Over, from 7.5 to 8.

📈 White Sox vs. Guardians betting trends

🚑 White Sox vs. Guardians injuries

📺 How to watch White Sox vs. Guardians

• Date: Wednesday, Sept. 16
• First pitch: 1:10 p.m. ET
• Ballpark: Progressive Field (Cleveland)
• TV/Streaming: MLB.tv
• White Sox starter: Anthony Kay (9-9, 4.53 ERA)
• Guardians starter: Parker Messick (11-9, 2.51 ERA)