Guardians, Rangers Among Three Winning MLB Opening Day Wagers

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After a long winter, MLB Opening Day 2023 is here and I can finally have way too much at stake on a random Tuesday in the middle of the summer.

Hand up: 2022 in the MLB was my 1st losing season since I began betting baseball in 2016. I rattled off 11 straight MLB wins when I first joined OutKick in August and did well in the postseason. But, still, 2022 didn’t go my way.


MLB 2023 Futures and Opening Day Bets featuring David Troy


If you think this has my confidence shaken, you’re crazy. I stayed away from betting “sucker parlays” last year because I didn’t want my sharp card pulled. Expect my knucklehead parlays to be on OutKick.com eventually.

Two of my three MLB Opening Day looks are in the 4 p.m. ET window (Philadelphia Phillies at Texas Rangers and Pittsburgh Pirates at Cincinnati Reds) and the other is a nightcap (Cleveland Guardians at Seattle Mariners).


Philadelphia Phillies vs. Texas Rangers

  • Moneyline (ML): Phillies (+115), RANGERS (-135)
  • Run Line (RL): Phillies +1.5 (-205), Rangers -1.5 (+175)
  • Total — 6.5 — Over: -115, Under: -105
  • First pitch: 4:05 p.m. ET
  • Venue: Globe Life Field

Starters

Phillies RHP Aaron Nola vs. Rangers RHP Jacob deGrom

Handicap

This isn’t a newsflash but deGrom is really good when he plays. deGrom is 16-4 straight up (SU) all-time vs. the Phillies while pitching for the Mets with an average score of 4.8-2.9.

Since 2020, Nola is 3-10 SU as a a short-road underdog (+140 or less) with a -53% return on investment (ROI). deGrom is 2-1 SU vs. Nola in their careers and does better vs. Philly’s lineup than Nola vs. the Rangers.

Per Statcast, deGrom’s K-rate is 17.8% higher vs. active Phillies than Nola against active Rangers (37.8-20.0%). Those Phillies have a .194 expected batting average (xBA) vs. deGrom and the Rangers have a .284 xBA vs. Nola.

Harper high-fives Hoskins after scoring on a 3-run double at Citizens Bank Park in Philadelphia.
Harper high-fives Hoskins after scoring on a 3-run double at Citizens Bank Park in Philadelphia. (Rich Schultz/Getty Images)

Philly’s lineup will be easier to navigate with superstar Bryce Harper and All-Star 1B Rhys Hoskins both on the IL. The Rangers were 4-0 SU vs. the Phillies in 2022 and Philly only scored seven runs in those four games.

Finally, the Phillies added significant arms to their bullpen this year and the Rangers didn’t. But, the gap between deGrom and Nola is bigger than the one between Philadelphia’s re-tooled bullpen and Texas.

MLB Best Bet #1: Rangers (-135) ML at DraftKings Sportsbook, up to -150


Pittsburgh Pirates vs. Cincinnati Reds

  • ML: Phillies (+120), REDS (-140)
  • RL: Phillies +1.5 (-175), Reds -1.5 (+150)
  • Total — 8 — Over: -110, Under: -110
  • First pitch: 4:10 p.m. ET
  • Venue: Great American Ball Park

Starters

Pirates RHP Mitch Keller vs. Reds RHP Hunter Greene

Handicap

Greene has one of the livest arms in MLB and Keller is perhaps the worst Opening Day starter for any ball club. Keller is typically a slow starter: 1-6 SU in March-April with a 7.43 ERA and 1.83 WHIP.

Last season, Greene turned it on down the stretch. From August 1st on, Greene had a 0.62 ERA and a 45/7 K/BB rate over 29 innings pitched. My 2023 projections have Greene as a fringe NL All-Star pitcher.

Greene pitches vs. the Milwaukee Brewers at Great American Ball Park in Cincinnati.
Greene pitches vs. the Milwaukee Brewers at Great American Ball Park in Cincinnati. (Photo by Dylan Buell/Getty Images)

Furthermore, Greene’s K-rate vs. active Pittsburgh hitters is more than double Keller’s against current Cincy batters (35.1-14.8%), according to Statcast.

It’s a small sample size because the Reds were rarely favorites last year but Greene was 2-0 SU as a favorite in 2022.

MLB Best Bet #2: Reds (-140) ML at DraftKings, up to -145


Cleveland Guardians vs. Seattle Mariners

  • ML: GUARDIANS (+100), Mariners (-120)
  • RL: Guardians -1.5 (+190), Mariners +1.5 (-225)
  • Total — 6.5 — Over: -115, Under: -105
  • First pitch: 10:10 p.m. ET
  • Venue: T-Mobile Park

Starters

Guardians RHP Shane Bieber vs. Mariners RHP Luis Castillo

Handicap

The Guardians are my pick to win the 2023 World Series partially because of how good 2020 AL Cy Young, Bieber, looked down the stretch last season.

In fact, Cleveland’s pitching staff has a top-three potential with a top-10 floor. The Guardians’ relief pitching is elite and closer Emmanuel Clase is a Cy Young “sleeper” candidate.

Clase celebrates after the last strike of the 9th inning to defeat the Houston Astros at Progressive Field in Cleveland, Ohio.
Clase celebrates after the last strike of the 9th inning to defeat the Houston Astros at Progressive Field in Cleveland, Ohio. (Jason Miller/Getty Images)

The rule changes will help the Guardians the most. They had the highest contact rate in 2022 and are a great base-running team. With the limited pick-off attempts and banning of the shift, Cleveland’s offense will be more productive in 2023.

Finally, Castillo is a slow starter and Bieber does well in these spots. Castillo is 5-6 in March-April with a 4.58 ERA. Bieber is 3-1 as a short-road ‘dog (+120 or less) and the Guardians are allow just 1.3 runs per 9 in those contests.

MLB Best Bet #3: Guardians (+100) ML at DraftKings, down to -125


Listen to the ‘OutKick Bets with Geoff Clark’ podcast HERE.


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Written by Geoff Clark

Geoff Clark serves as OutKick’s sports betting guru. As a writer and host of OutKick Bets with Geoff Clark, he dives deep into the sports betting landscape and welcomes an array of sports betting personalities on his show to handicap America’s biggest sporting events.

Previously, Clark was a writer/podcaster for USA TODAY's Sportsbook Wire website, handicapping all the major sports tentpoles with a major focus on the NFL, NBA and MLB.

Clark graduated from St. John University.

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