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1B/3B Waiver Wire Pickups for Fantasy Baseball - Week 18

Christian Walker - Fantasy Baseball Rankings, MLB Injury News, Draft Sleepers

Mike's fantasy baseball waiver wire pickups for 1B and 3B for Week 18 of the 2022 MLB season. Consider adding and streaming these first basemen and third basemen.

Welcome back RotoBallers to Week 18 of the MLB season, and another edition of our first base and third base waiver wire pickups.

We're approaching the home stretch of fantasy baseball and, as trade deadlines pass, the waiver wire could be your best chance to improve your roster for a championship push.

Let’s keep rolling right along here with some names to consider as fantasy baseball waiver wire pickups for this upcoming week 18 of the MLB and fantasy baseball season – August 8 through August 14.

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

 

Waiver Wire Pickups for Shallow Leagues (40-59% rostered)

Christian Walker, 1B, Arizona Diamondbacks (46% rostered)

Walker started to flex his muscle in Cleveland last week as he launched two homers and added a double in the three-game set. On the season, his numbers look quite pedestrian, but Statcast tells a different story.

Walker has a sturdy 13.4% barrel rate, a 43% hard-hit rate, and his expected slugging percentage ranks in the 92nd percentile among all hitters. Best of all, he's striking out under 20% of the time so he could be in for a big finish if his .188 BABIP corrects itself to his career norm which is 90 points higher at .278.

Aledmys Diaz, 1B/2B/3B/SS/OF, Houston Astros (41% rostered)

The jack-of-all-trades for the Astros has been scalding-hot since the All-Star Break with a .333 batting average and 16 runs-plus-RBI in that span.

He's recorded multiple hits in four of his last eight games and is racking up the counting stats in the middle of a deadly Houston batting order that got even better last week with the addition of Trey Mancini. With eligibility all over the diamond, Diaz is an asset to add in fantasy.

 

Waiver Wire Pickups for Deeper Leagues (20-39% rostered)

Luke Voit, 1B, Washington Nationals (35% rostered)

It's not the sexiest pickup, but Voit has shown big power in the past and a change of scenery could tap into that power as he joins the rebuilding Washington Nationals. Voit clubbed his 14th homer of the season - and first as a National - on Saturday as he was batting third in the lineup.

Voit never seemed to fit in with a crowded Padres offense, so even though he's in a worse order, Voit should improve with a better lineup slot and assured everyday at bats in DC. If he hits anything close to his .492 career slugging percentage over the last two months then Voit can help make up ground in the power stats for fantasy managers.

Seth Brown, 1B/OF, Oakland Athletics (28% rostered)

Speaking of players with assured playing time in rebuilding teams, Brown is heating up for the A's with four homers in his last five starts. There's not a ton to be excited about in Oakland, but Brown has 16 homers on the season and, better yet, is sporting a career-best strikeout rate which has his wOBA at a sturdy .323.

In addition to his power, Brown also has eight stolen bases on the season making it easier to live with his low batting average in roto leagues.

 

Others to Consider



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REAL-TIME FANTASY NEWS

CFB

Virginia Tech Close To Naming James Franklin As Head Coach
C.J. Stroud

Week 12 Status Unclear
Quentin Johnston

Expected to Play in Week 11
Drake London

Should Play Vs. Panthers
Davante Adams

Trending Toward Playing
Brian Thomas Jr.

On the Wrong Side of Questionable
Calvin Ridley

Expected to Play in Week 11
Coby White

Could Make Season Debut Sunday
Josh Giddey

Set to Return Sunday
Zion Williamson

Tagged as Questionable for Sunday
Ja Morant

Exits With Calf Injury Saturday
Alex Caruso

Injures Hand, Won't Return Saturday
Domantas Sabonis

Considered Questionable for Sunday
Paolo Banchero

Out Again on Sunday
Anthony Davis

Listed as Doubtful for Sunday
Aaron Nesmith

Ruled Out for at Least Four Weeks
Victor Wembanyama

Questionable for Sunday
Tari Eason

to Miss 4-6 Weeks
Julian Strawther

Will Play on Saturday Versus the Timberwolves
Marcus Smart

Out With Illness Saturday
Cameron Johnson

Ruled Out on Saturday Evening
Rui Hachimura

Won't Play on Saturday
Giannis Antetokounmpo

Officially Available Versus the Lakers
Jeff Skinner

Placed on Injured Reserve
Nikola Jokić

Nikola Jokic Available on Saturday Night
Matt Duchene

Continues to Sit Saturday
Thomas Harley

a Game-Time Call Saturday
Kaapo Kakko

Out Week-to-Week
Joseph Woll

Starts on Saturday
John Carlson

Out on Saturday
Rasmus Dahlin

Rejoins Sabres Lineup Saturday
Jack Hughes

to Miss Eight Weeks After Finger Surgery
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
Tyler Bertuzzi

a Game-Time Call Saturday
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
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
Khalil Shakir

in the Clear to Play in Week 11
Bam Knight

Considered Questionable for Week 11
Brian Thomas Jr.

Tagged as Questionable for Week 11
Calvin Ridley

Listed as Questionable for Week 11
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

Ruled Out for Sunday
Davante Adams

Questionable for Sunday but Expected to Play
Islam Makhachev

Set For UFC 322 Main Event
Jack Della Maddalena

Set For His First Title Defense
Zhang Weili

Can Become The New Women's Flyweight Champion
Valentina Shevchenko

Set For UFC 322 Co-Main Event
Michael Morales

Looks To Remain Undefeated
CFB

Mario Craver a Game-Time Decision for Week 12
Sean Brady

Set For Title Eliminator Bout
Carlos Prates

A Favorite At UFC 322
Leon Edwards

Looks To Get Back In The Win Column
Benoît Saint Denis

Benoit Saint Denis Set To Open Up UFC 322 Main Card
Beneil Dariush

Looks To Win Back-To-Back Fights
CFB

Virginia's Chandler Morris Trending Toward Facing Duke on Saturday
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
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

Finishes Tied for 18th at Korn Ferry Tour Championship
CFB

Nic Anderson Could Return for LSU this Season

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