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Outfield Fantasy Baseball Waiver Wire Pickups - Week 21 (2024)

Wilyer Abreu - Fantasy Baseball Prospects, Draft Sleepers, MLB Rookies, Waiver Wire Rankings

Kevin Hickey's fantasy baseball waiver wire pickups for outfielders for Week 21 of the 2024 MLB season. Consider adding and streaming these free-agent hitters.

Welcome back, RotoBallers! This article will discuss our fantasy baseball waiver wire pickups for the outfield in Week 21, August 12 through August 18. With the fantasy playoffs getting increasingly close, it's time to consider our waiver wire options more urgently. For many managers, it's still not too late to turn your season around.

Roster spots and playing time are changing league-wide every day. Fantasy managers better be ready to stay on their feet as the summer winds down and adapt to evolving situations. This article will highlight the guys deserving of more attention this week, including some interesting post-hype names, like Gavin Lux and Jo Adell.

The names in this article are in order of rostered percentage and are not indicative of a confidence ranking. Rostered percentages can change quickly, so check your leagues for availability.

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

 

Outfield Waiver Wire Adds - Standard Leagues

Wilyer Abreu, Boston Red Sox (44% Rostered)

After homering four times over his past seven contests, Wilyer Abreu has been one of the fastest risers in fantasy baseball recently. As a result, his rostered percentage has more than doubled from this time last week. Abreu is up to an impressive .844 OPS with 12 home runs and a 128 wRC+ overall in 2024.

Abreu's advanced numbers go a long way toward validating his success this season. While his 28.7% strikeout rate is far from ideal, the results are too good to ignore when he does make contact. Abreu's fantastic batted-ball metrics include a 50.5% hard-hit rate, .451 xSLG, 12.8% barrel rate, and a 91.3 MPH average exit velocity. Fantasy managers shouldn't expect Abreu to hit for a tremendous batting average, but the power production is absolutely worth chasing.

Gavin Lux, Los Angeles Dodgers (33% Rostered)

You are not alone if you had already written off Gavin Lux. After considerable hype, he has rarely resembled the elite offensive talent we were once promised. Since debuting in the majors back in 2019, Lux has generated a career .698 OPS across 370 games played. His 2024 numbers aren't any more encouraging overall, but recent weeks have shown us the best version of Lux yet. Over 19 games since the All-Star break, he sports a spectacular .375/.455/.643 slash line with three home runs and a 204 wRC+.

Despite his years-long struggles in the majors, it's not far-fetched to think that Lux is finally figuring out how to hit in the major leagues. The former top prospect was a prolific producer in his minor league days, generating 26 home runs and a 1.028 OPS in 2019, up from a .913 OPS the year prior. The potential has always been there for Lux, and at 26 years old, it's not absurd to believe that he can still realize his potential.

Victor Robles, Seattle Mariners (20% Rostered)

It's been 40 games now, and Victor Robles continues to operate as one of the most consequential hitters in the Seattle Mariners offense. Robles has cemented himself a role atop the Mariner's batting order for the time being, slashing .310/.378/.460 with three home runs and 11 stolen bases since joining Seattle. It feels like only a matter of time until Robles catches on, so act now if you hope to roster him.

2024 has all the optics of a breakout season for the 27-year-old, and the advanced metrics support Robles' recent run of success. He sports an outstanding .344 xwOBA alongside similarly fantastic numbers, such as a .451 xSLG and a 9.6% barrel rate. Robles is generating better contact than he ever has before in his career, and with his tremendous base-stealing upside, he is capable of contributing fantasy value across numerous categories.

Jo Adell, Los Angeles Angels (12% Rostered)

2024 as a whole hasn't lived up to the torrid first month of the season that Jo Adell showcased. Overall, he is barely over the Mendoza Line, featuring an uninspiring .202/.277/.400 slash line. Still, the fantasy appeal is apparent, with Adell accruing 17 home runs and 14 stolen bases. If the 25-year-old can finish out the season strong, a 25-home run, 20-stolen base campaign is well within reach.

Further, Adell has started to warm up again recently. He's hit safely in all eight games he's played in this month, producing a 134 wRC+. The sample size is small, but if he can catch fire like he did earlier this season, Adell has the type of ceiling that can propel your fantasy team on a playoff run. His gratuitous strikeout numbers have held him back, but a 12% barrel rate and a 45.3% hard-hit rate highlight why Adell is worth monitoring.

 

Outfield Waiver Wire Adds - Deeper Leagues

Matt Wallner, Minnesota Twins (10% Rostered)

Matt Wallner has been limited to only 33 games played so far in 2024, but the results have been outstanding when he makes it into the lineup. The 26-year-old carries a fantastic .274/.404/.655 slash line this season, That success includes seven home runs and a 192 wRC+. Wallner continues to be limited by a strong-side platoon designation, but it's hard not to get excited about his ceiling.

With the caveat that the sample size is relatively small, Wallner's advanced numbers are nonetheless staggering. As a jumping-off point, he sports a terrific .417 xwOBA. The ability to get on base complements some unbelievable batted-ball metrics, such as a .603 xSLG, 37.2% barrel rate, 67.4% hard-hit rate, and a 96.6 MPH average exit velocity. The obvious hole in Wallner's approach is his strikeout rate, though there is an obvious upside worth chasing.

Parker Meadows, Detroit Tigers (6% Rostered)

Parker Meadows' initial stint in the major leagues earlier this season was dreadful, and his 84 wRC+ overall in 2024 reflects that. Still, it's worth noting that Meadows has shown signs of turning things around. Since being recalled from Triple-A, Meadows has hit safely in all seven appearances. That stretch includes two home runs, two stolen bases, and five multi-hit performances. Meadows may be on the verge of a breakout.

The 24-year-old isn't necessarily viewed as a top prospect in the Detroit Tigers farm system, but his upside is apparent. Over 113 games played in Triple-A in 2023, Meadows produced 19 home runs, 19 stolen bases, and a .812 OPS. After being sent down to the minor leagues earlier this season, he got back on track offensively, generating a .883 OPS across 51 games.

Kyle Stowers, Miami Marlins (1% Rostered)

Kyle Stowers remains an interesting player to watch in the aftermath of the trade deadline. With the Baltimore Orioles, he had seemingly no path to consistent playing time or even a regular spot on the major league roster. However, after being dealt to the Miami Marlins, Stowers is now being given an extended look as an everyday player.

Stowers' name gets lost in the mix of the elite Baltimore Orioles farm system, but he offers tremendous power-hitting upside. The 26-year-old slugged .555 across 58 games in Triple-A this season, up from a .511 slugging percentage in 2023 and a .527 mark in 2022. Stowers isn't likely to emerge as a .300 hitter, but he has a ceiling fantasy managers will not usually find this deep on the waiver wire.

 

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REAL-TIME FANTASY NEWS

Jackson Chourio

Back in Game 4 Lineup Against Dodgers
Deebo Samuel Sr.

Questionable for Week 7
Kyler Murray

Officially Questionable for Week 7
George Kittle

Likely Playing in Week 7
Alexander Romanov

to Be a Game-Time Call Saturday
Nils Lundkvist

Nursing Lower-Body Injury
Justin Danforth

Expected to Miss More Than One Month
Brock Bowers

Considered Doubtful for Week 7
Jonathan Huberdeau

Set for Season Debut Saturday
Brock Purdy

Ruled Out Again in Week 7
Liam O'Brien

Makes Season Debut Friday
Marvin Harrison Jr.

Clears Concussion Protocol, Will be Active on Sunday
Pierre-Luc Dubois

Out Against Wild
Lucas Raymond

to Remain Out Friday
CeeDee Lamb

Off the Injury Report, Will Return in Week 7
Anze Kopitar

Out Week-to-Week
Josh Jacobs

Listed as Questionable For Week 7
Iván Herrera

Ivan Herrera Has Bone Spurs Removed From his Elbow
Carson Wentz

Named Vikings' Starting Quarterback in Week 7
Brendan Allen

Set For UFC Vancouver Main Event
Reinier de Ridder

Reinier De Ridder A Favorite At UFC Vancouver
Mike Malott

Looks For His Third Consecutive Win
Puka Nacua

Rams "Very Optimistic" Puka Nacua Will Return After Week 8 Bye
Kevin Holland

Set For UFC Vancouver Co-Main Event
Aiemann Zahabi

Looks For His Seventh Consecutive Win
D'Andre Swift

Bears "Hopeful" That D'Andre Swift Will Play in Week 7
Bradley Beal

Set to Make Clippers Debut in Preseason Finale
Marlon Vera

Returns At UFC Vancouver
VJ Edgecombe

Set to Return for Preseason Finale
Calvin Ridley

Ruled Out for Sunday
Jeremy Sochan

Won't Play in Season Opener
Jasmine Jasudavicius

Looks To Extend Her Win Streak
AJ Green

Bucks Agree to Contract Extension
Manon Fiorot

Looks To Bounce Back
Stefon Diggs

Questionable for Sunday
Aoriqileng

Aori Aoriqileng Looks To Rebound
Cody Gibson

Looks To Get Back In The Win Column
Jaylen Brown

Considered Day-to-Day with Hamstring Tightness
Kyle Nelson

Set For Lightweight Bout
Matt Frevola

Set To Open Up UFC Vancouver Main Card
Jaden Ivey

Will Miss Four Weeks After Knee Surgery
Paul George

Expected to Miss Season Opener
Chuba Hubbard

Will Return in Week 7
Joel Embiid

Set to Make Preseason Debut on Friday
Terry McLaurin

Ruled Out for Week 7
Puka Nacua

Inactive for Week 7
Garrett Wilson

Will Not Play in Week 7, Could Return in Week 8?
Chase Brown

Goes for Over 100 Rushing Yards in Win Over Steelers
Mark Stone

Stays Hot With Hat Trick of Assists
Evgeni Malkin

Continues Prolific Start
Shane Pinto

Pots Sixth Goal of the Campaign
Cole Caufield

Pushes Canadiens Past Predators
Shayne Gostisbehere

Delivers Three Assists in Thursday's Win
Matthew Schaefer

Makes History With Another Assist
Bo Horvat

Nets Second Career Hat Trick
Frederick Gaudreau

Sustains Undisclosed Injury Thursday
Jaylen Warren

Highly Efficient on the Ground Thursday, Adds Value as Receiver
Aaron Rodgers

Fails to Finish Comeback Despite Throwing for Four Touchdowns
Joe Flacco

Flashes Vintage Form in Comeback Win Thursday
CFB

Curt Cignetti Signs Eight-Year, $11.6 Million Extension With Indiana
Carlos Rodón

Carlos Rodon Unlikely to Be Ready for Opening Day After Elbow Surgery
Anthony Santander

Removed From ALCS Roster With Back Injury
Jackson Chourio

Aggravates Hamstring, Pulled Early in Game 3 of NLCS
Brady Tkachuk

to Miss 6-8 Weeks After Having Thumb Surgery
Noah Hanifin

Remains Sidelined Thursday
Akira Schmid

Faces Bruins Thursday
Jake Allen

Starts Against Panthers
Troy Terry

Expected to Play Thursday
Aaron Judge

Will Not Need Elbow Surgery
Anthony Volpe

Won't be Ready for Start of Next Season
Gerrit Cole

Won't be Ready for Opening Day Next Year
Milwaukee Bucks

Chris Livingston Waived by the Bucks
Keegan Murray

Nique Clifford Shines in Keegan Murray's Absence
Cooper Flagg

Continues to Start at Point Guard
Ron Harper Jr.

Earns a Two-Way Deal with the Celtics
Charlotte Hornets

Spencer Dinwiddie Waived by the Hornets
Tampa Bay Buccaneers

Sterling Shepard's Stock Rising for Buccaneers
CFB

Jermod McCoy Officially Out for Alabama Matchup
CFB

Jam Miller Questionable to Face Tennessee
Jaden Ivey

Considered Day-to-Day
Josh Hart

Making Progress
Jaren Jackson Jr.

Busy in Preseason Debut
Keegan Murray

Lands Five-Year, $140 Million Extension
Domantas Sabonis

Sustains Hamstring Injury Wednesday
Jaylen Brown

"Fine" Following Wednesday's Early Exit
CFB

Arizona State QB Sam Leavitt Probable For Saturday
Kevon Looney

Slated to be Sidelined With Knee Injury
Anthony Volpe

Undergoes Left-Shoulder Surgery
CFB

Jayden Gibson No Longer with Oklahoma Program
Emmanuel Clase

to be Banished for Life After Gambling Allegations?
Alex Bregman

Plans to Opt Out of Contract With Red Sox
Christopher Bell

Sits Third in Points After Quiet Third-Place Finish
Chase Briscoe

Passes Denny Hamlin at the Start, but Hamlin Gets Him in the End
Joey Logano

Falling Out of Playoff Picture Despite Other Contenders' Crashes
Ryan Blaney

Stage 1 Crash Puts Ryan Blaney in Severe Playoff Trouble
Denny Hamlin

Wins at Las Vegas and Will Compete for the 2025 Cup Series Title
Kyle Larson

Dominates at Las Vegas but Ends Up Second
Chase Elliott

Struggles to Gain A Solid Finish at Las Vegas After Pit-Road Penalty
William Byron

Strong Run Ends In A Wreck at Las Vegas
CFB

Sam Leavitt Viewed as Day-to-Day with Undisclosed Injury
Anthony Santander

Scratched From Game 2 of ALCS With Back Tightness
San Diego Padres

Mike Shildt Retires as a Manager
Mateusz Gamrot

Suffers Second-Round Submission Loss
Charles Oliveira

Gets Back In The Win Column
Montel Jackson

Drops Decision
Deiveson Figueiredo

Gets Split-Decision Victory
Vicente Luque

Outclassed
Vicente Luque

Joel Alvarez Outclasses Vicente Luque
Jhonata Diniz

Suffers Second-Round TKO Loss
Mario Pinto

Remains Undefeated
CFB

Matt Rhule Denying Interest in Penn State Head Coaching Job
CFB

Le'Veon Moss Not Believed to Have Suffered Season-Ending Injury
Ricardo Ramos

Suffers First-Round Submission Loss
CFB

Bill Belichick Says he's Committed to North Carolina
Tiger Woods

Undergoes Back Surgery
CFB

UAB Fires Head Coach Trent Dilfer After 2.5 Seasons In Birmingham
CFB

Penn State Fires Head Coach James Franklin After 10.5 Seasons
CFB

Penn State QB Drew Allar Will Miss The Rest Of 2025 Season With Ankle Injury
Brandon Woodruff

Will Not be on NLCS Roster
Max Scherzer

Added to ALCS Roster
Bryan Woo

Makes ALCS Roster
Bo Bichette

Won't Make ALCS Roster
Christopher Bell

the Favorite to Win at Las Vegas
Denny Hamlin

on the Pole at Las Vegas
Joey Logano

Can Joey Logano Get Lucky in Las Vegas Again?
William Byron

has the Fastest Car in Practice at Las Vegas
Ty Gibbs

Speed of Ty Gibbs a Good Sign for Toyota at Las Vegas
NASCAR

Bubba Wallace Should Contend at Las Vegas
Ross Chastain

Scrapes Wall in Practice But Qualifies 15th at Las Vegas
Chris Buescher

Looking for Improvement at Las Vegas
Austin Cindric

It Has Been Hit or Miss for Austin Cindric at Las Vegas
Chase Elliott

Should Run Well at Las Vegas
Kyle Larson

Conservatism May Keep him from Replicating Previous Las Vegas Drive
Josh Berry

After Josh Berry's Las Vegas Win, Ryan Blaney Should be a Top Contender
Chase Briscoe

has Definitely Improved on Intermediate Tracks

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