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Today's MLB Betting Picks - Odds, Expert Predictions, and Best Bets (09/15/23)

Marcus Semien - Fantasy Baseball Rankings, MLB Injury News, DFS and Betting Picks

Brenton Kemp's top MLB betting picks and best bets for today's MLB games on 09/15/23. His free picks against the spread, game totals, and other baseball bets.

We have a jam-packed 15-game on this Friday, Sept. 15 MLB schedule with all of the action taking place in the evening. Let's comb through the loaded slate and come out with some value as we look to head into the weekend on the right note!

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Feel free to give me a follow on Twitter @BKemp17 with any questions or comments or plain ol' baseball talk! Now, let's dive into Thursday's free MLB betting picks and see if we can pad those bankrolls!

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Today's MLB Betting Picks - Tampa Bay Rays vs. Baltimore Orioles

O/U: 8.5 | Moneyline: TB (-122)
TB: Zach Eflin | BAL: Jack Flaherty

It's a battle of the top two teams in the junior circuit tonight in Baltimore as the Tampa Bay Rays pay another visit to the Orioles on the heels of a tight 4-3 Rays victory in Thursday's series opener.

The road side will give the ball to right-hander Zach Eflin, who the club targeted in free agency this past winter. When an organization like the Rays hands out a three-year deal worth a total of $40 million, you know they see something they like and it's been a nice marriage in the first year of that contract.

Eflin enters this one sporting a 3.53 ERA across 28 outings on the season while he's also worked to a 3.08 FIP, 3.40 SIERA, and a stellar 22.1% K-BB% on the back of an elite 3.6% BB% that ranks second in baseball among qualified hurlers. He has allowed three earned runs or less in seven of his last eight starts and two earned runs or fewer in five of his last eight.

For the Orioles, they will send out a trade-deadline acquisition in the form of former Cardinal Jack Flaherty. Once a young ace in St. Louis, injuries and underperformance have been the only constants for Flaherty in recent years as he owns a 4.98 ERA, 4.64 SIERA, and an 11.9% K-BB% on the season, the latter of which is roughly half of what he was producing in his peak early-career years.

Additionally, the right-hander has been rocked since coming to Baltimore as he sports a 7.16 ERA across his first six starts in an Orioles uniform while allowing a hefty 11.4 hits per nine innings in that time.

As is the case with the starting pitching matchup, the offensive advantage goes to the Rays as well. Tampa Bay sits fourth with a .336 wOBA on the season versus right-handed pitching while the Orioles sit in a share of 15th with a .320 wOBA off of righties.

One area where the O's have been sensational this season is in the bullpen where they sit second in baseball with a 3.50 ERA. However, the Rays are no slouch as they are tied with the Astros for eighth with a 3.71 ERA from their relievers on the season.

The starting pitching matchup is a clear mismatch, the Rays rake righties, and they have a stable bullpen. Yet, we're getting wildly reasonable odds on a moneyline win here. Sign me up.

Pick: Rays moneyline (-122, DraftKings sportsbook)

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Today's MLB Betting Picks - Texas Rangers vs. Cleveland Guardians

O/U: 8 | Moneyline: TEX (-120)
TEX: Jon Gray | CLE: Lucas Giolito

The Texas Rangers are coming into a three-game set in Cleveland white-hot following a key four-game sweep of the Toronto Blue Jays this week in Toronto while the Cleveland Guardians return home after dropping two of three to the Giants in San Francisco.

Getting the ball for Texas is veteran right-hander Jon Gray who is coming off a tough outing his last time out. Gray lasted just 2 2/3 innings while yielding four runs (three earned) on four hits and a pair of walks. That outing raised his ERA to a solid 3.96 on the season while he sports a 4.26 FIP, 4.49 SIERA, and a middling 13.3% K-BB% across his 26 starts on the campaign.

However, for whatever reason, Gray has been much better on the road. The former Rockies ace owns a 3.41 ERA across 68 2/3 frames away from Arlington on the season versus a 4.46 mark at home. He's also yielded just 0.79 HR/9 on the road against a 1.41 HR/9 clip at home while his 3.59 FIP outside of Globe Life Field backs up his rock-solid road ERA.

It has certainly been a whirlwind of a season for right-hander Lucas Giolito between three teams and mixed results. Overall, Giolito sports a 4.89 ERA across 29 starts, although his 4.19 SIERA suggests he's been better than that. Nonetheless, he's been bashed for 13 earned runs in 10 innings across two starts with Cleveland.

More concerning is his vulnerability to the long ball. He has allowed a whopping six homers, three in each start, in those 10 frames with the Guardians, elevating him to a ghastly 1.98 HR/9 on the season, good for the third-highest home-run rate among qualified pitchers.

That is a problem against this Rangers offense. They just trounced a very good Blue Jays pitching staff for 35 runs in four games, scoring at least six runs in each contest and a minimum of nine runs in three of the four games. They rank sixth with 208 homers on the season, fourth with 160 homers off of righties, and third with a .340 wOBA off of right-handers.

Meanwhile, the Guardians rank 22nd with a .305 wOBA off of righties while their .130 isolated power off of right-handers is dead last in all of baseball.

Winners of six in a row and in the middle of a heated Wild Card race, the Rangers should slug their way to another victory over a struggling pitcher tonight in Cleveland.

Pick: Rangers moneyline (-120, DraftKings sportsbook)

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REAL-TIME FANTASY NEWS

Luguentz Dort

Will Return Versus Charlotte
Darius Garland

Remains Out on Saturday Night
Zach Edey

Cleared to Make 2025 Debut on Saturday
Cedric Coward

Available Against Cleveland
Sam LaPorta

Placed on Injured Reserve
J.K. Dobbins

Will Undergo Season-Ending Surgery to Repair "Significant" Foot Injury
LaMelo Ball

Resting on Saturday Night
Collin Murray-Boyles

Uncertain for Saturday
Aaron Wiggins

Remains Out with Adductor Strain
Luguentz Dort

Questionable for Saturday
Jaylon Tyson

Set to Miss Third Straight Game
Nikola Jokić

Nikola Jokic Questionable on Saturday with a Wrist Sprain
Tyler Bertuzzi

a Game-Time Call Saturday
Kelly Oubre Jr.

Exits Early with Knee Hyperextension
Andre Burakovsky

Available Saturday
Alex Nedeljkovic

Available for Saturday's Action
Filip Hronek

Pulled by Concussion Spotter Friday
Jesperi Kotkaniemi

Hurts Ankle in Friday's Win
Seth Jarvis

Not Expected to Be Out for Long
CFB

Garrett Nussmeier Doubtful vs. Arkansas On Saturday
Tari Eason

Injured on Friday Night
OG Anunoby

Suffers Hamstring Injury on Friday Night
Edwin Díaz

Blue Jays Interested in Signing Edwin Diaz?
Jacob deGrom

Named AL Comeback Player of the Year
Ronald Acuña Jr.

Ronald Acuna Jr. Wins NL Comeback Player of the Year Award
Aroldis Chapman

Named AL Reliever of the Year
Edwin Díaz

Edwin Diaz Named NL Reliever of the Year
NFL

Bill Belichick Won't Pursue NFL Head-Coaching Vacancies
Anthony Davis

Out Again on Friday
Khalil Shakir

in the Clear to Play in Week 11
P.J. Washington

Sidelined Against the Clippers
Dereck Lively II

Officially Active, Will Have a Minutes Cap
Giannis Antetokounmpo

Returning Versus the Hornets
LaMelo Ball

Back in the Lineup on Friday Night
Domantas Sabonis

Good to Play on Friday
Bam Knight

Considered Questionable for Week 11
Brian Thomas Jr.

Tagged as Questionable for Week 11
Christian Braun

To Miss At Least Six Weeks With An Ankle Sprain
Calvin Ridley

Listed as Questionable for Week 11
Zach Edey

Questionable To Make Season Debut
John Gibson

Fine for Saturday
Kaiden Guhle

Ruled Out for 8-10 Weeks
Justin Thomas

Will Miss Start Of 2026 After Undergoing Back Surgery
Alex Newhook

to Miss Four Months With Broken Ankle
Marco Rossi

Out Week-to-Week
J.K. Dobbins

Out in Week 11 and for "Foreseeable Future"
Zach Hyman

Set for Season Debut Saturday
Jack Hughes

Sustains Non-Hockey Hand Injury
Quinn Hughes

a Game-Time Decision Friday
Rashod Bateman

Ruled Out for Week 11
Sam LaPorta

Ruled Out for Week 11 With Back Injury
Isiah Pacheco

Officially Ruled Out for Week 11
Trey Hendrickson

Shemar Stewart Both Out for Week 11
Jaxson Dart

Officially Ruled Out for Week 11 Due to Concussion
Darius Slayton

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Set For His First Title Defense
Zhang Weili

Can Become The New Women's Flyweight Champion
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Garrett Wilson

Jets Expect Garrett Wilson to Play Again This Season
Michael Morales

Looks To Remain Undefeated
Lamar Jackson

Ready to Roll for Sunday
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Mario Craver a Game-Time Decision for Week 12
Sean Brady

Set For Title Eliminator Bout
Quentin Johnston

Questionable to Play Against Jaguars
Carlos Prates

A Favorite At UFC 322
Jaxson Dart

"on Track" in the Concussion Protocol
Leon Edwards

Looks To Get Back In The Win Column
Benoît Saint Denis

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Beneil Dariush

Looks To Win Back-To-Back Fights
Chris Godwin

Missing Another Game
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Virginia's Chandler Morris Trending Toward Facing Duke on Saturday
Shane Pinto

Lands Four-Year Extension
Thomas Chabot

to Sit Out Two Weeks
William Karlsson

Out Week-to-Week
Alex Newhook

Injured in Big Loss
Jeff Skinner

Hurt Early on Thursday
John Gibson

Exits With Upper-Body Injury Thursday
Kaapo Kakko

Sustains Lower-Body Injury Thursday
Edwin Díaz

Edwin Diaz Says There's a "50-50" Chance he Returns to Mets
Shohei Ohtani

Wins his Fourth MVP Award
Aaron Judge

Wins AL MVP Award Again
Dylan Samberg

Makes Season Debut Thursday
Raisel Iglesias

Dodgers Interested in Signing Raisel Iglesias
Pete Alonso

Orioles Could be in the Mix to Sign Pete Alonso
Félix Bautista

Felix Bautista Could Return in Second Half in 2026
Kodai Senga

Attracting Trade Interest, Will the Mets Move him?
Yordan Alvarez

Expected to be Ready for Spring Training
Byron Buxton

Could Waive his No-Trade Clause
Paul Skenes

the Unanimous NL Cy Young Winner
Tarik Skubal

Wins AL Cy Young for Second Straight Year
CFB

Still No Update on Jermod McCoy's Return Timeline
Sami Valimaki

Riding Momentum Into Bermuda
Matthieu Pavon

Struggling Through a Rough Season
Taylor Montgomery

Hopes to Get Back on Track at Port Royal
Ben Martin

a Risky Play at Bermuda Championship
Mark Hubbard

Primed for a Bounce-Back Week in Bermuda
Lee Hodges

Searching for a Spark in Bermuda
Stephen Vogt

Wins Back-to-Back AL Manager of the Year Honors
Milwaukee Brewers

Pat Murphy Named NL Manager of the Year Again
Patrick Fishburn

Looking to Bounce Back in Bermuda
Eric Cole

Carrying Momentum into Bermuda
Tommy Edman

to Have Ankle Surgery Next Week
Ketel Marte

Diamondbacks Unlikely to Trade Ketel Marte
Roman Anthony

to Have a Normal Offseason
Sahith Theegala

Finishes Tied for 27th at Bank of Utah Championship
Sam Stevens

Finishes Tied for 36th at Baycurrent Classic
Patrick Rodgers

Finishes Tied For Sixth at World Wide Technology Championship
Luke List

Finishes 75th at World Wide Technology Championship
Ben Kohles

Finishes Tied for 63rd at World Wide Technology Championship
PGA

Nico Echavarria Finishes Tied for 14th at World Wide Technology Championship
Luke Clanton

Finishes Tied for 46th at World Wide Technology Championship
Blades Brown

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CFB

Nic Anderson Could Return for LSU this Season
Randy Brown

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Gabriel Bonfim

Extends His Win Streak
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Suffers First-Round TKO Loss
Uros Medic

Wins Back-To-Back Fights
Ismael Bonfim

Loses Back-to-Back Fights
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Remains Unbeaten In The UFC

RANKINGS

QB
RB
WR
TE
K
DEF
RANKINGS
C
1B
2B
3B
SS
OF
SP
RP