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RIVAL Fantasy MLB DFS Props - Over/Under Picks for Friday, July 21st, 2023

Mookie Betts - Fantasy Baseball Rankings, Draft Sleepers, Waiver Wire Pickups

Kyle Ringstad's MLB DFS prop picks for RIVAL fantasy contests for Friday, July 21st, 2023. Sign up for RIVAL fantasy and use his MLB DFS prop picks to win money.

Welcome to our new series covering RIVAL Fantasy picks for MLB! We will focus on two fantasy contest types offered on RIVAL - Challenges and FantasyBook (Over/Under).

Challenges are H2H matchups between two MLB players. You choose which one you think will score the most fantasy points, then place a bet to back it. If another user decides on the other player at any time before the contest, the bet is on! If your player scores more fantasy points, you win 1.8x your bet.

FantasyBook is more traditional over/under DFS prop picks - whether you think pitchers and hitters will score Over or Under the set lines, and choosing your amount. You can parlay multiple picks together to vastly increase the juice (ex: 3 picks = 5x your bet).

RIVAL Fantasy offers some of the industry's best and easiest-to-win MLB DFS games. There are no large-field tournaments filled with sharks where you have to get lucky to place. At RIVAL Fantasy, you're not playing against other people; you're just playing against the projections. Check here for the updated rules and scoring.

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RIVAL Challenge Picks

Mookie Betts OVER Ha-Seong Kim

Betts crushes lefties (1.120 OPS, .439 ISO, .450 wOBA), and Heaney is an erratic pitcher with a penchant for allowing the long ball. On the other hand, Kim is in good form but is facing a solid starting pitcher in prospect Reese Olson. I'm backing the better hitter in the better matchup here.

Mike Tauchman OVER Alan Trejo

There's not much to analyze here. Trejo averages 4.27 FPTS per game, while Tauchman averages 7.51 FPTS per game. Tauchman will lead off for the Cubs in a softer matchup against Jack Flaherty, while Trejo is expected to hit in the nine-hole against a much better pitcher in Braxton Garrett. Again, back the better hitter in the better matchup.

RIVAL Over/Under Picks

Freddy Peralta (UNDER), Zach Eflin (UNDER), Joe Ryan (OVER)

Peralta has turned in three straight quality performances, but I'm not ready to back the over on his high number against the best offense in the league. The Braves lead the MLB (by a wide margin) in OPS (.906), ISO (.260), and wOBA (.384) vs. right-handed pitching, and their 19.1% strikeout rate ranks as the third-lowest in the split. Peralta's high 27.1% strikeout rate helps him achieve high fantasy scores, but I don't see him succeeding in this matchup tonight.

Eflin isn't the Cy Young-level pitcher he masqueraded as in the season's opening months, and he's starting to regress as the season continues. He holds a 5.40 ERA through three starts in July, punctuated by a brutal -7.45 FPTS outing against the lowly Royals in his latest start. The Orioles rank as a top-12 hitting team against right-handed pitchers this season, and while they hold a low 3.9-run implied total tonight, I don't see Eflin hitting the over on his fantasy score, considering his current form.

Ryan has had some tough outings recently, but his profile is still spectacular, and we have to like the over for him against the light-hitting White Sox tonight. Ryan holds a 3.77 ERA (2.98 xERA), an elite 4.6% walk rate, and a 28.9% strikeout rate that ranks well above average. The White Sox strike out at the sixth-highest rate (24.5%) in the league against right-handed pitching, and they rank in the bottom seven in OPS (.685) and wOBA (.297) in the split.

Ronald Acuna Jr. (UNDER), Juan Soto (UNDER), Andres Gimenez (UNDER)

Acuna is having an outstanding year, but this number is way too high for the matchup he's faced with tonight. While I'm backing the under on him tonight, Peralta isn't a pitcher we want to target bats against, as he generates a lot of swings and misses and does a decent job of limiting hard hits. It's also worth noting that Acuna Jr. has finished under the score he needs tonight in three of his last four games.

With this pick, we're going with the under on another one of MLB's brightest young stars again. Soto has failed to exceed 10 FPTS in five of his last six starts, and while the Tigers are generally a team we like to target hitters against, that might not be the case tonight. Reese Olson, the #11 prospect for Detroit, has compiled a solid 3.96 ERA (4.02 xERA) through nine appearances (six starts) this season. As a starter, he holds a 4.00 FIP and 3.07 xFIP.

I'm smashing the under on Gimenez tonight. He has a subpar .710 OPS for the season, hasn't displayed much power with just eight homers, and ranks in the bottom one and two percentile in average exit velocity and hard-hit rate, respectively. Ranger Suarez isn't blowing anyone's socks off, but he has stellar stats against left-handed hitters (3.07 FIP, 2.71 xFIP, .188 AVG, one home run allowed).

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POPULAR FANTASY TOOLS

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REAL-TIME FANTASY NEWS

Norman Powell

Good to Go on Tuesday
Robert Thomas

Out Tuesday
Luguentz Dort

Ruled Out For Tuesday's Matchup With Spurs
Jake Walman

Available Against Predators
Troy Terry

a Game-Time Decision Tuesday
Justin Sourdif

Won't Play Tuesday
Jaxson Hayes

Unavailable Against Hawks
Jakob Chychrun

a Game-Time Call Tuesday
Morgan Geekie

Available Tuesday
Luke Kennard

Sidelined Tuesday
Bryan Rust

Returns to Action Tuesday
Erik Karlsson

Penguins Place Erik Karlsson on Injured Reserve
LeBron James

Considered Questionable For Tuesday
Zaccharie Risacher

Slated to Miss Third Straight Game on Tuesday
Luka Dončić

Luka Doncic Questionable For Tuesday
Los Angeles Chargers

Chargers Fire Offensive Coordinator Greg Roman
Pittsburgh Steelers

Mike Tomlin Stepping Down as Steelers Head Coach
CFB

Georgia Tech the Favorite to Land Justice Haynes?
Luke Kennard

Uncertain for Tuesday Against the Lakers
Saddiq Bey

Upgraded to Probable
Anthony Davis

Likely to Undergo Surgery on Hand
Nolan Arenado

Cardinals Trade Nolan Arenado to Diamondbacks
Julian Phillips

Downgraded to Questionable Tuesday
Tom Kim

Desperately Needs a Solid Week at Sony Open
Billy Horschel

Hoping For a Fast Start to New Season at Sony Open
Corey Conners

Looks to Have a Return to Form in 2026
PGA

Chris Gotterup a Decent Play at Sony Open
Philip Broberg

Likely Out Tuesday
Jacob Trouba

on Track to Return Tuesday
Gary Woodland

Could Prosper at the Sony Open
Will Smith

Upgraded to Day-to-Day
Connor McDavid

Stretches Point Streak to 19 Games
Keith Mitchell

Unlikely to Contend at Sony Open
Teuvo Teravainen

Makes Early Exit Monday
Robert MacIntyre

Looking for a Good Performance at the Sony Open
Nicholas Robertson

Hurt Versus Avalanche
Brayden Point

Injured in Monday's Win
Michael Kim

Hopes to Start Sony Open Better This Week
Tom Hoge

Tries to Erase Poor 2025 Second Half in Hawaii
Herbert Jones

Considered Day-to-Day
Saddiq Bey

Could Be an Option Tuesday
Brian Harman

Seeks Fresh Start in Hawaii
Dorian Finney-Smith

Tari Eason, Dorian Finney-Smith Out Tuesday
Eric Cole

Looks to Last Year for Success at Sony Open
Zaccharie Risacher

Iffy for Tuesday
Kristaps Porzingis

Sits Out Tuesday's Game
Devin Vassell

Remains Out Tuesday
Daniel Berger

Starts Off 2026 at Sony Open
Isaiah Hartenstein

Still Out Tuesday
Myles Turner

Battling Illness, Questionable Tuesday
Nico Collins

Suffers Concussion Against Steelers
Nico Collins

Carted to Locker Room for Concussion Evaluation
Christian Braun

Unavailable Tuesday
Aaron Gordon

Probable to Play Tuesday
Kyle Tucker

Mets Meet With Kyle Tucker
Dalton Kincaid

"Should be Fine" for Divisional Round
Conor Garland

Returns From Five-Game Absence
Kiefer Sherwood

Out Monday, Could Miss Several Weeks
Marco Rossi

to Miss 2-3 More Weeks
Louis Crevier

Back for Blackhawks Monday
Jordan Eberle

Available Against Rangers
Joel Eriksson Ek

Out Monday
Brooks Koepka

Officially Returning To PGA Tour
Tucker Kraft

Hopes to be Ready for Week 1 of Next Season
CFB

Georgia Lands Kentucky Transfer Dante Dowdell
Matthew Stafford

has "Little Sprain," Should be "Good to Go"
CFB

Sam Leavitt Expected to Sign with LSU
Green Bay Packers

Packers Expected to Work Out New Deal With Matt LaFleur in the "Coming Days"
CFB

Dylan Raiola Commits to Oregon
CFB

Isaiah Horton Landing with Texas A&M
George Kittle

Suffers Torn Achilles on Sunday
Omarion Hampton

Active for Wild-Card Round Against Patriots
George Kittle

Ruled Out After Non-Contact Achilles Injury
Las Vegas Raiders

Raiders Request Interview With Ejiro Evero
Los Angeles Rams

Mike LaFleur to Interview With Raiders and Cardinals
Aaron Rodgers

Steelers Open to Re-Signing Aaron Rodgers?
Matthew Stafford

X-Rays Come Back Negative
MacKenzie Gore

Yankees Pursuing Trade for MacKenzie Gore
Alex Bregman

Cubs Sign Alex Bregman to Five-Year, $175 Millon Contract
Freddie Freeman

Withdraws from World Baseball Classic
Max Kepler

Receives 80-Game PED Suspension
CFB

Cam Coleman Visiting Alabama on Friday
Omarion Hampton

Expects to Play Sunday Night
CFB

Eric Singleton Jr. Enters Transfer Portal, Trending to Land at Florida
CFB

NCAA Denies Trinidad Chambliss a Sixth Year of Eligibility
Omarion Hampton

Questionable for Wild-Card Weekend
Kyle Tucker

Mets Remain in Mix for Kyle Tucker
Ketel Marte

Will Remain With Diamondbacks
Rashee Rice

to be Reviewed Under League's Conduct Policy
Daniel Jones

Colts Plan to Re-Sign Daniel Jones
Davante Adams

Off the Injury Report, Will Play Against Carolina
Bo Bichette

Phillies to Meet With Bo Bichette
Rome Odunze

Will Return for Wild-Card Game on Saturday
CFB

DJ Lagway Commits to Baylor

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