🖥 TAP TO SAVE 50% WITH CODE THANKS
X
Lost password?

Don't have an account?
Gain Access Now

X

Receive free daily analysis

NFL
NBA
NHL
NASCAR
CFB
MLB
MMA
PGA
ESPORTS
BETTING

Already have an account? Log In

X

Forgot Password


POPULAR FANTASY TOOLS

Expert Advice
Articles & Tools
Import Your Leagues
Daily Stats & Leaders
All Pitcher Matchups
Compare Any Players
Compare Any Players
Rookies & Call-Ups
24x7 News and Alerts

Five Undervalued Fantasy Baseball Draft Targets for 2024

Ryan Mountcastle fantasy baseball rankings draft sleepers MLB injury news

Kev's five undervalued fantasy baseball draft sleepers and targets. These are potential sleepers, pickups, and trade targets for 2024 fantasy baseball.

With MLB's spring training coming to a close, we are rapidly approaching the regular season! Fantasy baseball drafts have been underway but carry on through opening weekend.

While nailing those top-end studs is what matters most, identifying sleepers and undervalued players is key to gaining an edge over your league mates and widening the margin for error throughout an arduous 162-game season. If you can correctly identify who to target, it might just lead you to the long-awaited title that’s eluded your grasp.

For all issues with this article, direct your concerns or complaints to @RotoSurgeon on X. With that said, here are five fantasy baseball sleepers heading into 2024.

Be sure to check all of our fantasy baseball lineup tools and resources:

 

2024 Fantasy Baseball Sleepers 

Hunter Brown, SP, Houston Astros

Hunter Brown was one of the unluckiest SPs of the 2023 MLB season. His ERA of 5.09 was fifth highest in the league among pitchers with at least 150 innings pitched while his WHIP was ninth highest. Luckily, we have access to peripheral stats such as xFIP and SIERA via websites like FanGraphs, which indicate something closer to Brown and other pitchers' true value.

Between Brown's 3.52 xFIP and 3.74 SIERA, we can see that his actual skills were not as bad as his ERA. Simultaneously, Brown had the highest home run per fly ball rate in 2023 along with the highest BABIP (tied with fellow unlucky SP Dylan Cease). Both metrics have some skills-based aspect to themselves, but on the whole, the yearly league average is what we should expect them to regress toward as luck is largely in play when HR/FB and BABIP are overpolarized to one end of the spectrum or another.

Brown was still valuable in 2023 despite the egregious ratio stats. He ranked top 30 in strikeouts with 178 and finished with 11 wins. Playing on the Astros (or any top team) has its perks as even on a bad day, Brown could accrue a win if he has at least 5.0 IP. Not only that, for those in Quality Start leagues, Brown pitched at least six innings in 12 of his 29 starts! The breakout could be massive for a pitcher of his talent.

 

Bryce Miller, SP, Seattle Mariners

Over the past few seasons, the Mariners have earned themselves the worthy title of "pitching factory." Between George Kirby and Logan Gilbert, two top-30 starters were ushered into the league and immediately established. Toward the second half of last season, Bryce Miller and Bryan Woo were the next crop of the Mariners' featured studs and did so well that the team sold off currently injured former Cy Young winner Robbie Ray for parts this offseason. (Bryan Woo was also a potential breakout candidate for 2024, but sadly he is dealing with elbow inflammation and will start the season on IL.)

Miller struggled against left-handed hitting last season with egregious splits in 2023.

vs. RHP:

74.2IP, .239 wOBA, 3.62 xFIP, 22.0% K-BB

vs. LHP:

56.2IP, .378 wOBA, 5.22 xFIP, 12.2% K-BB

His fastball is already one of the MLB's best and he dominated RHP last season. There is a baseline for Miller to grow and reports of his newly developed splitter could allow him to take that jump by mitigating damage against lefties. There is no guarantee Miller conquers lefties to the degree he does righties, but even so, given his relative success in 2023, even a small jump would be enough to break out as his 4.32 ERA and 1.14 WHIP were solid enough in fantasy.

 

Ryan Mountcastle, 1B, Baltimore Orioles

Ryan Mountcastle was one of my 2023 breakout candidates, but another unfortunate year of bad luck struck. Not to mention, Mountcastle was reportedly dealing with lingering light-headedness after his IL stint, which caused the baseball to look "pea-sized" while in the batter's box.

Mountcastle has underperformed his expected wOBA (via Statcast) significantly for two straight seasons.

2022

wOBA: .316/ xwOBA: .362

2023

wOBA: .333 / xwOBA: .356

Factors such as speed affect differentials in wOBA and xwOBA when players cannot leg out the basepaths; however, the Orioles recently adjusted the dimensions of their home park Camden Yards to become more pitcher friendly, and as a consequence, significantly increased the difficulty for right-handed bats.

Nevertheless, Mountcastle has 73rd percentile sprint speed. He should be capable of not only matching his xwOBA but surpassing it! The pendulum of his luck is due to regress, and in an offense as potent and even improving as Baltimore, he could finish as a top-five first baseman given the power he possesses.

 

Tyler O'Neill, OF, Boston Red Sox

Another year, another Tyler O'Neill hype piece online! The good news is that O'Neill has already broken out and he did so in one of the toughest home parks in baseball (St. Louis). O'Neill now plays in Fenway, baseball's second-best hitter's park.

The biggest question mark with O'Neill is not his five-tool skill set, but it is his ability to stay healthy. O'Neill already dealt with a minor calf issue in spring training but returned to the lineup soon after as all of his fantasy managers exhaled a sigh of relief. In 2023, O'Neill dealt with not only back and knee issues, but a team that was frustrated with him. There was a messy divorce between the Cardinals and O'Neill, but he is now free for a fresh start with his second MLB organization.

Should we expect 34 HRs and 15 SBs like O'Neill accrued in 2021 across 138 games? Probably not given that both his wOBA and xwOBA appear as aberrations relative to the rest of his career, but he could certainly become a must-roster fantasy piece after two unlucky hitting seasons in a row akin to the aforementioned Ryan Mountcastle.

 

Jake Fraley, OF, Cincinnati Reds

Jake "Rake" Fraley saw his 2023 fantasy breakout cut short after a toe fracture suffered in early August. He returned to play in September but the injury lingered and he wound up requiring surgery in October. Fraley returned from IL in September with 15 HRs and 19 SBs yet ended the season with just 15 HRs and 21 SBs despite adding 53 plate appearances to his season total. Luckily, Fraley enters the 2024 season at full strength despite dealing with a mild groin issue in the spring.

30 MLB players posted at least 15 HRs and 20 SBs in 2023 and Jake Fraley was one of them. While this accomplishment is not the most exclusive given the newly favorable rules for stolen bases, Fraley did so in just 380 plate appearances. His upside at full strength, even as a strong-side platoon bat, is immense; yet, he is undrafted in most standard fantasy baseball leagues.

The Reds offense is improving and arguably top 10 heading into 2024 and their home park in Cincinnati is one of MLB's best for hitters. Fraley will play most days of the week and potentially build upon his strong 2023 season.



Download Our Free News & Alerts Mobile App

Like what you see? Download our updated fantasy football app for iPhone and Android with 24x7 player news, injury alerts, rankings, starts/sits & more. All free!

More Fantasy Football Analysis




POPULAR FANTASY TOOLS

Expert Advice
Articles & Tools
Import Your Leagues
Daily Stats & Leaders
All Pitcher Matchups
Compare Any Players
Compare Any Players
Rookies & Call-Ups
24x7 News and Alerts

REAL-TIME FANTASY NEWS

Brandon Aiyuk

Placed on Reserve/Left Squad List, Out for Season
Christian McCaffrey

Expected to Play in Week 15
Haydn Fleury

Cleared to Play
Simon Nemec

to Miss "Some Time"
Jake Evans

Back for Canadiens Saturday
Ilya Lyubushkin

Returns to Stars Lineup Saturday
Roope Hintz

Good to Go Saturday
Charlie Lindgren

Activated From Injured Reserve
Oliver Ekman-Larsson

Available Against Oilers
William Nylander

a Game-Time Decision Saturday
Brandon Aiyuk

49ers' "Optimism Has Run Out" on Brandon Aiyuk
Philip Rivers

Will Start on Sunday Against the Seahawks
Jorge Polanco

Agrees to Two-Year Deal With Mets
De'Von Achane

Expected to Play Monday Night
Rome Odunze

Bears Optimistic Rome Odunze Will Play in Week 15
CFB

LaNorris Sellers to Return to South Carolina in 2026
Cason Wallace

Off Injury Report Saturday
Keyonte George

Erupts for Career-High 39 Points Against Memphis
Bones Hyland

Exits Early With Knee Contusion
Isaiah Joe

To Miss Fourth Straight Game
Isaiah Hartenstein

Removed From Injury Report
Austin Reaves

To Be Re-Evaluated In One Week With Calf Strain
Logan O'Connor

Still Not Ready for Season Debut
Lukas Dostal

Activated From Injured Reserve
NJ

Arseni Gritsyuk Ruled Out for Weekend's Action
Connor Bedard

Ruled Out for Saturday
Zeev Buium

Canucks Acquire Zeev Buium From Wild
Marco Rossi

Moves to Vancouver
Quinn Hughes

Traded to WIld
Joel Embiid

Available Against Indiana
Ja Morant

Back on Friday Night
Rickard Rakell

Available Saturday
Tre Jones

is Returning on Friday
Coby White

Cleared for Action Versus Hornets
Jake Ferguson

Listed as Questionable for Week 15
Bo Horvat

Ruled Out for Saturday
Tre Johnson

to be Limited in Return on Friday
Andrei Vasilevskiy

Could Return Monday
Geno Smith

Officially Ruled Out for Week 15
Victor Hedman

to Be Out Until February
Kenny Pickett

to Start in Week 15 Against Eagles
Moussa Diabaté

Moussa Diabate Available on Friday
Jared McCann

to Miss Three Weeks With Lower-Body Injury
Tyrese Maxey

Under the Weather on Friday
Josh Jacobs

Officially Questionable to Face the Broncos
Victor Wembanyama

Expected to Return on Saturday
Stuart Skinner

Shipped to Pittsburgh
Anthony Edwards

Sidelined on Friday Evening
Deebo Samuel Sr.

Questionable for Week 15
CFB

Washington State Expected to Hire Kirby Moore as Next Head Coach
CFB

Kyle Whittingham Stepping Down as Utah Head Coach
T.J. Watt

Officially Ruled Out for Monday Night
Manel Kape

Set For UFC Vegas 112 Main Event
Davante Adams

to be Questionable, Expected to Play on Sunday
Brandon Royval

An Underdog At UFC Vegas 112
Rome Odunze

Questionable for Sunday
Kevin Vallejos

Set For His Third UFC Fight
Alvin Kamara

Ruled Out for Sunday
Giga Chikadze

In Dire Need Of Victory
Cesar Almeida

Set To Welcome Cezary Oleksiejczuk To The UFC
Cezary Oleksiejczuk

Set To Make His UFC Debut
Jayden Daniels

Not Cleared for Contact
T.J. Watt

Undergoes Surgery for Collapsed Lung
Maikel Garcia

Royals Agree on Five-Year Extension
Melquizael Costa

Looks To Extend His Win Streak
Morgan Charrière

Morgan Charriere Looks to Win Second Consecutive Fights
Marcus Buchecha

Looks To Bounce Back
Kennedy Nzechukwu

A Favorite At UFC Vegas 112
King Green

Returns At UFC Vegas 112
Lance Gibson jr

Lance Gibson Jr. Set To Open Up UFC Vegas 112 Main Card
Jake Ferguson

on Track to Play in Week 15
CFB

Sherrone Moore Charged with Home Invasion, Among Other Charges
Jayden Daniels

Cleared for Contact
Tee Higgins

Ruled Out Against Ravens
Marvin Harrison Jr.

Ruled Out for Week 15, Expected Back This Year
Daniel Gafford

Still Unlikely to Play Friday
Khris Middleton

Misses Second Straight Game
Collin Sexton

Sidelined Again Versus Bulls
Coby White

On Track To Suit Up Versus Charlotte
Tre Jones

Expected To Play Friday Vs. Hornets
Ayo Dosunmu

to Miss Friday's Game Vs. Hornets
CFB

Freddie Kitchens Fired from North Carolina Coaching Staff
CFB

Bryce Underwood Could Leave Michigan Without Buyout
Fernando Tatis Jr.

Padres Not Considering Trading Fernando Tatis Jr.
Tarik Skubal

Tigers Engaged in "Serious Talks" Around Trading Tarik Skubal at the Winter Meetings
CFB

Chris Brazzell II Declaring for NFL Draft
CFB

Fernando Mendoza Named AP College Football Player of the Year
Raisel Iglesias

to Remain the Braves Closer
Robert Suarez

Agrees on Three-Year Deal With Braves
CFB

Sherrone Moore Remains in Police Custody
CFB

Joe Klanderman Joining Baylor Coaching Staff
CFB

Kentucky Hiring Jay Bateman as Next Defensive Coordinator
Si Woo Kim

Closes 2025 With Strong Finish Among Putting Woes
Akshay Bhatia

Looks to Rebound in 2026 After Down Year Off the Tee
Brian Harman

2025 Season a Step Back Despite Spring Win
Sam Burns

' Elite Putting Headlines a Solid 2025 Season
Sepp Straka

Ends Stellar 2025 Campaign on a High Note
Robert MacIntyre

Closes Out a Steady 2025 Campaign
CFB

Chip Kelly Interviews for Georgia Tech Offensive Coordinator Job
CFB

Louisville Receiver Chris Bell has a Torn ACL
Min Woo Lee

Breaks Through to Win in Texas This Year
PGA

Alex Noren Wins Twice on European Tour This Year
Wyndham Clark

has Up-and-Down 2025 Golf Season
CFB

Michigan Fires Head Coach Sherrone Moore
Corey Conners

Comes Close to Winning Again in Very Good 2025
Justin Rose

Turns Back the Clock in 2025
CFB

Jim Knowles Expected to be Hired as Tennessee's Defensive Coordinator
Harris English

Enjoys Solid Finish at Hero World Challenge
CFB

Defensive Coordinator Jim Knowles Not Being Retained at Penn State
CFB

Indiana's Stephen Daley Done for Season After Post-Game Injury
Pete Alonso

Orioles Finalizing Five-Year Deal
Kyle Finnegan

Tigers, Kyle Finnegan Agree on Two-Year Deal
Bo Bichette

Red Sox Out on Bo Bichette For Now
Philadelphia Phillies

Phillies Extend Manager Rob Thomson Through 2027 Season
Michael King

the Mets' Top Rotation Target?
Ronald Acuña Jr.

Ronald Acuna Jr. Could Move Back to Leadoff Spot
CFB

Florida, Wisconsin Among Suitors for QB Transfer Kenny Minchey
CFB

Bryan Harsin, Justin Wilcox Candidates for Washington State Head Coach Job?
Edwin Díaz

Edwin Diaz Agrees to Deal With the Dodgers
Kyle Schwarber

Returning to Phillies on Five-Year Deal
CFB

Ole Miss Hiring John David Baker as Offensive Coordinator
CFB

Ty Howle the Top Target for Virginia Tech Offensive Coordinator Job
Shohei Ohtani

to be Used More as Traditional Starting Pitcher Next Year
Yordan Alvarez

to Become Full-Time DH in 2026?
Mason Miller

Padres Plan to Keep Mason Miller in the Bullpen
Ranger Suárez

Orioles Interested in Signing Ranger Suarez
Anthony Volpe

Yankees Don't Expect Anthony Volpe to be Ready in April
Gerrit Cole

Targeting a Return in May/June
Rory McIlroy

Ends 2025 as the Year's Most Unburdened Player
Aaron Rai

Needs to Figure Out Putting Woes This Offseason
Jordan Spieth

Plays Better on Paper in 2025 Than Results Show
PGA

Chris Gotterup Needs to Find Better Touch and Consistency This Offseason
Hideki Matsuyama

Ends 2025 Season With a Bookend Victory
Scottie Scheffler

Comes Up Just Shy of Hero World Challenge Victory
Merab Dvalishvili

Drops A Decision At UFC 323
Petr Yan

Reclaims Bantamweight Title
Alexandre Pantoja

Era Ends With Gruesome Injury
Joshua Van

Becomes Second-Youngest UFC Champion
Brandon Moreno

Suffers His First TKO Loss
Brandon Moreno

Tatsuro Taira Becomes First Fighter To Finish Brandon Moreno
Henry Cejudo

Payton Talbott Retires Henry Cejudo
Henry Cejudo

Retires After UFC 323 Loss
Jan Blachowicz

Bogdan Guskov Vs. Jan Blachowicz Ends In A Majority Draw
San Francisco Giants

Jeff Kent Elected to Baseball Hall of Fame

RANKINGS

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