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1B and 3B Waiver Wire Pickups for Week 3

Fantasy baseball first base and third base waiver wire pickups for Week 3. Todd Salem's 1B and 3B options to consider adding and streaming at corner infield (CI).

After two weeks of the 2021 MLB season, or really one and a half weeks, fantasy and real-world players are still feeling out the season. Trends are forming as we await larger samples to make declarations. Starting pitchers are still getting stretched out, and managers have yet to settle on substitution patterns. As we said last week, nothing should be finalized based off this little amount of data, but information gleaned from early weeks leads into successful fantasy months of April and beyond.

When adding players from the waiver wire this early in the season, we are looking for one major factor: playing time. Those sparsely owned players who are seeing a lot of game action deserve a closer look.

For our purposes in this column, we are using Yahoo's rostered percentages, as well as its positional eligibility. We are searching for useful players rostered in fewer than 40 percent of Yahoo leagues. With that being said, below are my first base and third base waiver wire pickups to consider for Week 3 - April 12th through April 18th.

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

 

Brian Anderson - 3B/OF, Marlins

35% Rostered

Anderson is 4-for-25 on the season. We don't care about that; at least not yet. What we do care about is him having played in seven of eight games and having batted in the middle of the Miami lineup each time out. It is also promising that he is (heading into the weekend's games) hitting the ball hard, to the tune of an 18.8 percent barrel rate and 91.0 average exit velocity. The samples are too small, but his expected batting average was 73 points higher than his actual average. Jump on Anderson because of the opportunity he is being given, not because of the production thus far.

Luis Arraez - 2B/3B/OF, Twins

35% Rostered

Arraez is not for every fantasy team or manager. He doesn't have much pop or speed. He will help in batting average and for those leagues that use OBP. The Twins also believe in him. We thought playing time might be an issue heading into the season. Two weeks in, it doesn't seem like it. Arraez has played in seven of eight games, batting leadoff five times. In a good lineup, that all but guarantees run production as well. You can do worse than a two-category producer in 5x5 rostered in just 35 percent of leagues.

Colin Moran - 1B/2B/3B, Pirates

22% Rostered

Much like Anderson, Moran's situation is what we want to buy into, even though his production hasn't been bad. Moran has played every game thus far for Pittsburgh, and he's batted either third or fourth each time out. Pittsburgh isn't the most fearsome lineup in the NL, but it is hard to beat that lineup positioning. He has already fallen into four runs scored despite PITT having only scored 19 runs this season (heading into Saturday). The RBI will come too. If the average stays up, Moran is a potential four-category producer even if we don't believe a 57.1 percent hard-hit rate or .320 ISO is sustainable.

Jesus Aguilar - 1B, Marlins

18% Rostered

Continuing our trend for the early portion of the season, Aguilar checks the boxes for situation. Despite previously falling victim to timeshares, Aguilar has played in seven of eight games this season. He has batted either third or fourth in each game. As a right-hander, he hadn't always played against right-handed pitchers in previous stops. That has not been the case thus far in '21. In fact, we are seeing a reverse platoon split currently; his few at-bats against lefties are actually bringing his overall numbers down.

Starlin Castro - 2B/3B, Nationals

8% Rostered

The Nationals have only played four games thus far heading into Saturday night. Each game has seen Castro slotted smack dab in the middle of the lineup, batting right behind Juan Soto and Ryan Zimmerman, or immediately behind Soto himself. The back half of the Washington lineup is nothing special, but there should be endless RBI opportunities for Castro if he holds onto this lineup positioning.

Soto and Zimmerman have career .417 and .343 OBPs respectively. Throw in Trea Turner in the two hole, and the base paths will often be crowded ahead of Castro. He has always been a good average hitter and could very well set a career-high in RBI.

Yandy Diaz - 1B/3B, Rays

2% Rostered

A number of things have been surprising about Diaz in the early going. For one, he has played nearly every game thus far, starting seven of eight contests. That is partially thanks to the loss of flexibility for the Rays. TB has had to put both Ji-Man Choi and Kevin Kiermaier on IL since the start of the season, leading to far fewer lineup iterations than we might have expected. Diaz has also found himself with prime positioning in the lineup, either hitting in the middle of the order or batting leadoff. Those comfortable landing spots have already led to four runs and four RBI in just a week and a half. Diaz is not a power or speed guy, but you can't find three-category production any cheaper.



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More Fantasy Baseball Waiver Wire Advice


Check out RotoBaller's entire fantasy baseball waiver wire pickups and sleepers list, updated daily!




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REAL-TIME FANTASY NEWS

Cameron Payne

Out at Least Two Weeks
Duncan Robinson

Iffy for Monday
Jerami Grant

Out Again Monday
Tobias Harris

Questionable Vs. Magic
Karl-Anthony Towns

Back Against Atlanta
Joel Embiid

Available Monday Vs. Spurs
Mike Trout

Exits Early After Getting Hit by Pitch
Brandon Williams

Good to Go Sunday
Marvin Bagley III

Available Sunday Against Lakers
Moussa Diabaté

Moussa Diabate Back in Lineup Sunday
Kirill Kaprizov

Bags Sixth Career Hat Trick Sunday
Stuart Skinner

Nursing Upper-Body Injury
Charlie Lindgren

Gets the Nod Sunday
Pavel Buchnevich

Ready to Play Sunday Night
Jordan Staal

Jordan Martinook Unavailable Sunday
Frederik Andersen

Takes on Senators Sunday
Linus Ullmark

Faces Hurricanes Sunday
Trevor Lawrence

Can a Dynamic Surrounding Cast Lead Trevor Lawrence to Another Career Year?
Malik Willis

Dolphins Want to Build Around Malik Willis
Courtland Sutton

Has Courtland Sutton's Dropping Dynasty Value Made Him a Buy-Low?
Ryan Rollins

Available Against Grizzlies
David Njoku

One of the Top Remaining Free Agents
Leonard Miller

Matas Buzelis Out Sunday, Leonard Miller Joins Starting Lineup
Tyler Warren

Has Room to Grow in Year Two
Nikola Vučević

Nikola Vucevic Back in Action Sunday
Josh Giddey

Won't Play Against Suns
Trey Murphy III

Out Sunday
Dejounte Murray

Misses Second Straight Game
Anthony Edwards

Won't Play Sunday
Pete Fairbanks

Serving as Opener Before Going on Paternity List
George Klassen

Called Up to Start on Sunday
Stephon Gilmore

Announces his Retirement
Hunter Brown

Placed on 15-Day Injured List with Right-Shoulder Strain
Matthew Stafford

Rams to Put Matthew Stafford on Pitch Count Ahead of 2026 Season?
Isaiah Likely

John Harbaugh "Certain" Isaiah Likely Will Break Out
New York Jets

Jets "Leaning Toward" Arvell Reese at No. 2 Overall
Cleveland Browns

Browns Targeting Carnell Tate at No. 6 Overall?
Tennessee Titans

Titans "Love" Their Running Back Room
Jauan Jennings

Asking for Too Much Money?
Brandon Aiyuk

Nothing Imminent With Brandon Aiyuk
Luther Burden III

Bears Want to Continue to Get the Ball to Luther Burden III
Jesús Luzardo

Jesus Luzardo Dominates Rockies on Saturday
Byron Buxton

Back in Sunday's Lineup
Mookie Betts

Heading to the Injured List With Oblique Strain
A.J. Brown

to be Traded to Patriots on June 2?
Cade Horton

Cubs Place Cade Horton on 15-Day Injured List With Forearm Strain
Isaiah Collier

Out Again Sunday
Immanuel Quickley

Still Sidelined Sunday
Nicolas Claxton

Won't Play Sunday
Evan Mobley

Sidelined Sunday
Jarrett Allen

Won't Play Against Indiana
Clayton Keller

Collects Four Points Against Canucks
Jack Eichel

Records Three Assists in Saturday's Win
Gabe Perreault

Nets First Career Hat Trick
Nicolas Hague

Exits Early Against Sharks
MacKenzie Weegar

Listed as Day-to-Day
Jack McBain

Considered Week-to-Week
Justin Faulk

Questionable Sunday
MarShawn Lloyd

a Dynasty Trade Target with Long-Term Upside?
Emanuel Wilson

a Low-Risk Trade Target in Dynasty Leagues?
Jalen Nailor

Seems Likely to Face Competition
Adrian Kempe

Delivers a Four-Point Performance
Dylan Sampson

a Candidate for Standalone Value in 2026?
Jaylin Noel

Still the Texans' WR4 for 2026?
Evgeni Malkin

Collects Four Points on Saturday
Keenan Allen

Remains a Free Agent in Early April
Mookie Betts

Considered Day-to-Day, Heading for an MRI on Saturday
Juan Soto

Day-to-Day With Minor Groin Strain, No Decision on IL Yet
Nick Lardis

Available Against Kraken
Oliver Ekman-Larsson

Won't Play Saturday
MLB

Cubs-Guardians Game Postponed on Saturday
Mookie Betts

Leaves Early With Back Injury
Tyler Kleven

Out Week-to-Week
Mason Marchment

Expected to Return Saturday
Aliaksei Protas

Returns on Saturday
Alejandro Kirk

Placed on 10-Day Injured List With Thumb Fracture
Juan Soto

Mets Concerned About Juan Soto's Calf Injury
Juan Soto

Removed with Calf Tightness
Byron Buxton

is Day-to-Day with Forearm Contusion
Byron Buxton

Leaves on Friday After Being Hit by a Pitch
Cade Horton

Headed for Injured List Stint
Isaac Paredes

Placed on Bereavement List
Jordan Lawlar

Suffers Fractured Wrist, Set to Miss 6-8 Weeks
Alejandro Kirk

Having X-Rays on his Thumb
Chris Duncan

Set For UFC Vegas 115 Main Event
Renato Moicano

An Underdog At UFC Vegas 115
Tabatha Ricci

Set For UFC Vegas 115 Co-Main Event
Virna Jandiroba

Looks To Bounce Back
Brendson Ribeiro

In Desperate Need Of Win
Abdul-Rakhman Yakhyaev

Looks To Remain Unbeaten
Ethyn Ewing

Set For His Second UFC Bout
Rafael Estevam

Looks To Remain Undefeated
CFB

Gunner Stockton Looking "Great" After Offseason Injury
CFB

Sam Leavitt Showing "Encouraging Signs" at LSU Practice
J.J. Spaun

Needs the Putter to Cooperate in San Antonio
Thorbjorn Olesen

Trending Up in San Antonio
Denny McCarthy

Carrying Momentum into San Antonio
Chris Kirk

Has Course History on His Side in San Antonio
Billy Horschel

a Volatile Option at the Valero Texas Open
Joe Highsmith

Still Searching for Form in San Antonio
Christiaan Bezuidenhout

Looks to Find Form at the Valero Texas Open
Jordan Spieth

a Horse for Course History at TPC San Antonio
Robert MacIntyre

Has One Flaw to Overcome at Valero Texas Open to be a Must-Play
Maverick McNealy

In Exceptional Form This Season
Michael Thorbjornsen

Playing Well But Still Searching For A Win
Hideki Matsuyama

Playing Well Heading to the Valero Texas Open
Si Woo Kim

Heads to Valero Texas Open For Final Tune-Up Before Masters
Collin Morikawa

Withdraws From Valero Texas Open
PGA

Stephan Jaegar Still Looking For Consistency at Valero Texas Open
Nicolai Hojgaard

is Red-Hot Coming to TPC San Antonio
Tony Finau

a Risky Proposition at Valero Texas Open
Ludvig Aberg

Looks to Shake Off Collapse at Valero Texas Open
Patrick Rodgers

Needs to Make More Birdies in San Antonio
Sepp Straka

Seeks Opportunity in San Antonio This Weekend
Nick Taylor

Could Again Struggle at the Valero Texas Open
RANKINGS
C
1B
2B
3B
SS
OF
SP
RP

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QB
RB
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K
DEF