👉 TAP TO SAVE 30% WITH CODE NEW
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

#1 Expert Projections
Save 30% Now
Import Your Leagues
Top-Rated Accuracy
Draft Simulator
Enter League Settings
Compare Any Players
Rookies & Call-Ups
24x7 News and Alerts

Buy or Sell: Undervalued and Overvalued Players for Week 21

Kev Mahserejian takes a look at players who may be overvalued or undervalued in week 21. These players could be buy or sell candidates for the 2019 fantasy baseball season.

Today's piece covers a set of players who either should not be available on waivers or will return back there soon. Most of the earlier editions of this recurring buy or sell article have included several universally owned players whose values have been manipulated enough by early-season performances. Unfortunately, as we get deeper into the year, the regression fairies come to ruin every savvy owner's fun.

If you need a win in H2H or a particular category filled in rotisserie, buy or sell what you must to get to where you need.  The home stretch is dark and full of terrors. Injured and underperforming players can be let go if they are taking up a roster spot that could be filled by someone much more productive. Players mentioned in this piece, and coming editions as we wind the season down, are more "add/drop" candidates rather than "buy/sells" given that trade deadlines are either passed or passing. Evaluate wisely.

Anyway, these buys and sells are worth noting for this upcoming week. Best of luck.

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

 

Undervalued Players - Week 21

 

Freddy Galvis - SS, CIN

32% owned

Galvis has had an underrated season thus far. His accomplishments in Toronto went mostly unnoticed because of how poor their offense was all season along with the fact that Galvis is an unreliable producer historically. He's presented *some* fantasy value throughout the years but never much to write home about.

Now, in Cincinnati, Galvis is surrounded by a more potent lineup (albeit just average) and plays in an even more favorable hitting park. The lack of DH is a bit of a hit to any player's value moving from the AL to NL, however, that is offset by the other factors. Galvis could be a reliable shortstop for anyone in need of a replacement going forward, and could even be an upgrade for some.

 

Matt Beaty - UTIL, LAD

2% owned

Matt Beaty came into the year as an unknown commodity and has made a name for himself with consistent hitting. Beaty is an intriguing talent who is viable in most deeper formats. He walks almost as much as he strikes out and he's shown a bit of pop throughout the year with his 24 extra-base hits in fewer than 200 plate appearances. Beaty's minor league numbers coincide with what he's done thus far and as long as he's hitting, he should remain in the lineup, mostly against lefties.

Given the potential issues with Kike Hernandez's return, Beaty is not viable in shallower leagues but should be owned in roto and points formats. His multi-positional eligibility is a bonus for any owners in need of filling corner IF or OF spots.

 

Adrian Houser - SP, MIL

12% owned

Adrian Houser has come out of nowhere and presented himself as a legitimate option to add. He's viable as a streamer for his next two matchups, both of which are against St. Louis (one home, one away). Afterward, the schedule is rough with the Astros and Cubs, unless a start gets pushed, then he'll face the Marlins. Houser's ERA and xFIP are very close and his SIERA is below four as well. He's striking out more than a batter per inning and not getting any BABIP luck to boost him.

Houser is worth grabbing and holding for a bit, with hopes that he can get pushed one day back over the next two weeks then it's smooth sailing until the last week of the season. Things look legit, but if it gets choppy, jump ship.

 

Overvalued Players - Week 21

 

Jeff Samardzija - SP, SF

62% owned

Samardzija's had a fantastic season thus far. The juiced ball has not seemed to affect his surface numbers, but the decline in his peripherals should not go unnoticed. Shark is outperforming his xFIP and SIERA by more than a run, and his schedule to end the year is pretty rough. Over the next few weeks, he has to face the Cubs in Chicago, Dodgers in LA and Red Sox in Boston, a brutal stretch that could wreck what's been a magnificent season thus far.

Luckily, he has the safety net of ATT Park to rely on to suppress runs for a handful of his other starts. Shark is a big regression candidate for the last month of the year and can potentially be dropped in shallower H2H leagues.

 

 

Daniel Vogelbach - 1B/DH, SEA

44% owned

Vogelbach's hot start to the year has been significantly slowed down with the unraveling of the Mariners. Voggy looked like the second coming of Frank Thomas before regression hit, and now he's looking like a poor man's Kyle Schwarber. He's still decent in OBP leagues due to his 16 percent walk rate, but he is still home run or bust when it comes to hitting the ball.

With the extremely poor team context and unfavorable home park, it is probably best to cut Vogelbach loose to create a streaming spot or for for a hot bat.

 

More 2019 Fantasy Baseball Advice




POPULAR FANTASY TOOLS

#1 Expert Projections
Save 30% Now
Import Your Leagues
Top-Rated Accuracy
Draft Simulator
Enter League Settings
Compare Any Players
Rookies & Call-Ups
24x7 News and Alerts

REAL-TIME FANTASY NEWS

Robert Williams III

Sidelined on Monday
Vít Krejčí

Vit Krejci Unavailable Against Nets
NFL

Ty Simpson Expected to be a First-Round Pick
Jerami Grant

Ruled Out on Monday
Jake Bobo

Seahawks Match Offer Sheet for Jake Bobo
Tommy DeVito

Becomes QB2 in New England
Quentin Johnston

Chargers Unlikely to Trade Quentin Johnston?
Nick Pivetta

to Start on Opening Day for Padres
Brandon Woodruff

Makes Brewers Opening Day Rotation
Zack Wheeler

to Start Rehab Assignment on Saturday
Carson Benge

Makes Mets Opening Day Roster
D'Andre Swift

Facing Playing-Time Questions Heading into 2026
Travis Kelce

Officially Signs New Contract With the Chiefs
NFL

Can Denzel Boston Overcome Speed and Athleticism Concerns at the NFL Level?
NFL

Jadarian Price's Dynasty Stock is Rising as the 2026 Draft Approaches
NFL

Can Chris Bell Make an Immediate Impact in the NFL?
Seiya Suzuki

to Start the Season on the Injured List
Travis Homer

Signs With Steelers as RB Depth
Lerone Murphy

Suffers His First Loss
Dennis Santana

Won't be Pirates' Primary Closer
Movsar Evloev

Edges Out Lerone Murphy
CFB

Notre Dame Ranks No. 1 in Returning Production for 2026
Michael Aswell

Jr. Drops Decision At UFC London
Michael Aswell

Luke Riley Outclasses Michael Aswell Jr.
DeVonta Smith

Wide Range of Possible Outcomes for DeVonta Smith in 2026
Woody Marks

to Serve as Backup in Sophomore Season?
Puka Nacua

Extension for Puka Nacua isn't Expected Soon
Sam Patterson

Suffers Unanimous-Decision Loss
Michael Page

Wins Lackluster Decision
Austen Lane

Suffers First-Round TKO Loss
Joshua Dobbs

Patriots Planning to Release Joshua Dobbs
Spencer Strider

to Start the Season on Injured List
Iwo Baraniewski

Delivers 28-Second TKO
Lawson Crouse

Picks Up Three Points in Overtime Win
Jahmyr Gibbs

in Line for a Career Workload
Filip Forsberg

Takes Predators Past Blackhawks
Jaxon Smith-Njigba

Becomes Highest-Paid Wide Receiver in NFL History
Alex Ovechkin

Scores 1,000th Career Goal
NFL

Eli Stowers' Athleticism Should Not be Overshadowed
Nate Schmidt

Exits Early Due to Illness
NFL

Kenyon Sadiq's Low Production at Odds with His Elite Athleticism
Matt Grzelcyk

to Miss Four-Game Road Trip
Mikko Rantanen

to Return to Full Practice
NFL

Carnell Tate Part of a Loaded Ohio State Rookie Class
A.J. Greer

Handed a Three-Game Suspension
Stephon Castle

Iffy for Monday
Bennedict Mathurin

Remains Out Monday
Isaiah Collier

Still Sidelined Monday
Kyle Kuzma

Iffy for Monday Vs. Clippers
Pascal Siakam

May Miss Monday's Game Vs. Orlando
John Collins

Expected to be Available Monday Vs. Bucks
Tristan Vukcevic

Exits Early With Back Tightness
Jonathan Taylor

Still Headlines Colts Backfield
Troy Terry

Wins it for Anahiem
Tyler Reddick

Overcomes Adversity for Fourth Victory of the Season At Darlington
Brad Keselowski

Falls Short of Darlington Victory Despite Domination
Ryan Blaney

Recovers From Pit-Road Struggles to Score Career-Best Darlington Finish
Carson Hocevar

Rallies to Finish Fourth at Darlington
Kyle Larson

Decent Performance Ends with Technical Issues At Darlington
Ilya Sorokin

Earns Shutout Over Columbus
Jalen Coker

Clock Ticking on Jalen Coker's Buy-Low Window?
Bobby Portis

is Cleared for Monday's Game
Kawhi Leonard

Holds Questionable Tag for Monday
Danny Wolf

Suffers Ankle Injury on Sunday
Killian Hayes

Exits in First Half
Nique Clifford

Exits Early on Sunday
Royce O'Neale

is Ruled Out on Sunday
Kevin Porter Jr.

to Miss Third Straight Game
Collin Murray-Boyles

Remains Out Sunday
Jalen Johnson

Could Miss Second Straight Game
Joel Embiid

Remains Sidelined Monday
Grayson Allen

to Miss Fourth Straight Game
Ethen Frank

Sustains Lower-Body Injury Sunday
Grayson Rodriguez

to Open Season on Injured List
Brett Pesce

Questionable to Return This Season
Stefan Noesen

Done for the Season
Yan Kuznetsov

Misses Fourth Consecutive Game Sunday
Connor Zary

Out Sunday
Mike Trout

Returns on Sunday
Anthony Duclair

Misses Sunday's Game
Ryan Pulock

Unavailable Sunday
Nick Lodolo

Exits Early With a Blister
Jeremy Peña

Astros Not Ruling Out Jeremy Pena for Opening Day
Cristopher Sánchez

Phillies Sign Cristopher Sanchez to a Six-Year Extension
Tyler Reddick

the Clear Favorite at Darlington
Kyle Stowers

Placed on Injured List with Hamstring Strain
Kyle Larson

a High-Risk, High-Reward Driver at Darlington
Ryan Blaney

Is Getting Better at Darlington
NASCAR

Bubba Wallace Not Slowing Down at Darlington
Chris Buescher

Should be a Top-10 Contender at Darlington
Austin Cindric

a Sleeper at Darlington
Erik Jones

Quickest in Practice at Darlington
Morgan Geekie

Records Three Assists Against Red Wings
Steven Stamkos

Notches Three Points in Win Over Golden Knights
Cole Caufield

Records Career-High Five Points in Saturday's Win
Denny Hamlin

Qualifies Ninth for this Week's Cup Race at Darlington
Chase Briscoe

Is One of the Top DFS Options of the Week for Darlington
Nikita Kucherov

Takes Over Scoring Lead With Four-Point Effort
Tyler Tucker

Out Week-to-Week
William Byron

Is William Byron A Playable DFS Option for Darlington Lineups?
Christopher Bell

Could Christopher Bell be Considered A Decent DFS Option for Darlington?
Chase Elliott

Is Chase Elliott Worth Rostering At Darlington This Week For DFS?
Joey Logano

May Not Have the Speed to Warrant A Darlington DFS Lineup Spot
Ross Chastain

Should DFS Players Trust Ross Chastain at Darlington?
Kyle Busch

Could Kyle Busch Be A Worthy DFS Option for Darlington?
Brad Keselowski

May be A Contriarian DFS Tournament Option At Darlington
Seiya Suzuki

Won't be Ready for Opening Day
Gleyber Torres

Clear to Return on Monday
Konnor Griffin

Assigned to Minor-League Camp
Gleyber Torres

Scratched From Lineup on Saturday With Lower-Back Tightness
Tanner Bibee

to Take the Ball on Opening Day
Logan Webb

to Start on Opening Day for Giants
Cristopher Sánchez

Cristopher Sanchez to Start on Opening Day for Phillies
Chris Sale

Braves Name Chris Sale as Their Opening Day Starter
Lerone Murphy

Set For UFC London Main Event
Movsar Evloev

Looks To Remain Unbeaten
Michael Aswell

Jr. An Underdog At UFC London
Luke Riley

Set For UFC London Co-Main Event
Sam Patterson

Looks To Extend His Win Streak
Michael Page

Set For Welterweight Bout
Austen Lane

In Dire Need Of Victory
Iwo Baraniewski

A Favorite At UFC London
Akshay Bhatia

Withdraws From Valspar Championship
CFB

Alberto Mendoza Drawing Positive Reviews at Georgia Tech
CFB

Anthony Colandrea Impressing in Nebraska's Spring Practices
J.J. Spaun

Offers Upside Despite Poor Course History at Innisbrook
Aaron Rai

Looks to Bounce Back at Valspar Championship
Johnny Keefer

Brings Ball-Striking Upside to Valspar Championship
Billy Horschel

a Volatile Play at Valspar Championship
Ben Griffin

Looks to Rebound at the Valspar Championship
Corey Conners

Brings Elite Ball-Striking to Valspar Championship
Xander Schauffele

Trending In The Right Direction For Valspar Championship
Sahith Theegala

Has Shot to Challenge at Valspar Championship
Mackenzie Hughes

Looking to Bounce Back at Valspar Championship
Nicolai Hojgaard

Finding Rhythm For Valspar Championship
Matt Fitzpatrick

Continues Hot Start to 2026 Heading to Valspar Championship
Pierceson Coody

Heads to Valspar Championship Following Two Missed Cuts
RANKINGS
C
1B
2B
3B
SS
OF
SP
RP

RANKINGS

QB
RB
WR
TE
K
DEF