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Week 13 Starts & Sits - All Starting Pitcher Matchups

Nick Mariano's recommended fantasy baseball starts and sits for all Week 13 starting pitcher matchups. Unearth potential streamers, two-start SPs and sleepers.

These beautiful summer nights should be filled with barbecue, relaxation and dominating your competition with only the finest of pitching performances. That's why we here at RotoBaller offer our insight and dynamic pitching scores for each matchup to frame your start/sit decisions. In case you missed it, this is our sixth year now writing this weekly column, helping fantasy baseball managers pick the best pitchers weekly.

Below are the projected starting pitching matchups for Week 13 -- June 24th through June 30th -- which will be updated as rotations are announced and tweaked. This column will be continuously updated and adjusted for any postponements or rotation shuffles, reflecting official beat writer speculation for as many unconfirmed rotation slots as possible.

For every week of the fantasy baseball season, we look to analyze all of the projected starting pitcher matchups and put together our optimal lineups. Here at RotoBaller, we believe that it’s key to analyze every SP matchup, each and every week, to help determine which SPs to start/sit and identify some sneaky streams. Let's win some leagues!

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

 

SP Matchups & Start/Sit Recommendations

This weekly piece considers the pitcher’s opponents, their outlook against lefties and righties, some ballpark factors and historical splits. With all of this information, we then provide our start/sit recommendations for each starting pitcher matchup for the approaching week of fantasy baseball.

Score values typically range from about 40-60, with higher values being superior. A 50 is the theoretical "Start/Sit" cutoff, but you should use the color-coded scores for valuable context to make your own decisions. Streamers and those relying on counting stats more than all-around ratios can target 48s and 49s, for example. Those set for two-start weeks are highlighted in yellow. Openers will have an asterisk if no "true" starter is announced by team beat writers. On your marks, get set...go!

This column will be updated daily as more rotations and starters are announced through June 30th.

More Fantasy Baseball Analysis




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REAL-TIME FANTASY NEWS

Nicolas Claxton

Cleared to Suit Up Tuesday
Tristan Vukcevic

Ruled Out Tuesday in Orlando
Kyler Murray

Will be Released
Kyshawn George

Will Not Play Tuesday
P.J. Washington

Likely to Play Tuesday Against Hornets
Klay Thompson

Downgraded to Doubtful on Tuesday against Charlotte
Andrew Wiggins

a Late Addition to the Heat's Injury Report
Trey Hendrickson

Bengals Not Using the Franchise Tag on Trey Hendrickson
Daniel Jones

Colts Place Transition Tag on Daniel Jones
Kelly Oubre Jr.

Listed as Out on Tuesday
Anthony Black

Downgraded to Questionable Tuesday Against the Wizards
Brendan Rodgers

to Seek Second Opinion on Shoulder
Adam Scott

Might Endure Tough Times at Bay Hill
Merrill Kelly

Throwing from 60 Feet
Aldrich Potgieter

Extremely Risky When it Comes to Bay Hill
Bobby Miller

Throws Off Mound Tuesday
Hunter Gaddis

Dealing With Forearm Tightness
PGA

Sungjae Im to Make Season Debut at Arnold Palmer Invitational
Jordan Spieth

an All-or-Nothing Option at Bay Hill
Harry Hall

Trying to Rebound After the Genesis Invitational
Jurickson Profar

MLBPA to Challenge Jurickson Profar's 162-Game Ban
Royce Lewis

Back in Grapefruit League Lineup on Tuesday
Matt McLain

Emerging as Late-Round Sleeper?
Spencer Jones

Changes his Swing to Resemble Dodgers Superstar
Nolan McLean

"Day-to-Day" With Illness
Ryan Gerard

Needs Better Start at Bay Hill
Edgar Quero

Showing Improvement This Spring
Jurickson Profar

Facing 162-Game Ban After Second PED Violation
Kenneth Walker III

Won't Get the Franchise Tag
Patrick Cantlay

Still Plagued by Bad Putting Ahead of Arnold Palmer Invititational
Daniel Jones

Colts Expected to Use Transition Tag on Daniel Jones
Thomas White

Marlins Reassign Thomas White to Minor-League Camp
Breece Hall

Jets Placing Franchise Tag on Breece Hall
Max Scherzer

Completely Past his Thumb Issues
CFB

Mark Stoops Joining Texas Coaching Staff
Francisco Lindor

Plays Catch, Hopes to Take BP on Wednesday
Mike Burrows

Looking Strong in Early Spring Action
Garrett Crochet

Is an Elite Anchor for Your Rotation
Casey Mize

Can Be a Late-Round Value Pick
Nick Seeler

Suffers Lower-Body Injury Versus Maple Leafs
Daylen Lile

Can Be a Great Outfield Sleeper
Andrew Painter

Headed for Opening Day Roster?
Pierre-Olivier Joseph

Injured in Monday's Loss
Giancarlo Stanton

Will Make His Spring Training Debut on Tuesday
Joel Armia

Moved to Injured Reserve
Artturi Lehkonen

Set to Miss Time After Getting Hurt Monday
Shea Theodore

Iffy for Tuesday Due to Illness
Mitchell Marner

Dealing With Illness
Mark Stone

Considered Day-to-Day
Jason Day

Attempts to Bounce Back from The Genesis Invitational
Santi Aldama

Questionable Tuesday
Cedric Coward

Could Return Tuesday
Jacob Bridgeman

Rolling into Arnold Palmer Invitational
Ty Jerome

Could Miss Third Straight Game
Davion Mitchell

Iffy to Face Nets
Norman Powell

Misses Second Consecutive Game
Anthony Black

Likely to Return Tuesday
Klay Thompson

Questionable Tuesday
Russell Henley

Looks to Defend Title at the Arnold Palmer Invitational
Max Scherzer

Could Make Grapefruit League Debut This Weekend
Alex DeBrincat

Collects Two More Points
Kirill Marchenko

Earns Three Points on Monday
Nicolai Hojgaard

Continues to Search for First PGA Tour Victory at API
Shane Lowry

Trying to Shake Off Last Week's Heartbreak at the API
Matt Fitzpatrick

Continues Scorching Start to 2026 Season
Keegan Bradley

Searching for Better Results Heading to Bay Hill
P.J. Washington

Questionable vs. Hornets
Egor Demin

to Miss Second Straight Game
Nicolas Claxton

Expected to Play on Tuesday
Coby White

Ruled Out vs. Dallas
Collin Murray-Boyles

to Miss Second Straight Game
Naji Marshall

Unavailable Versus Charlotte
Trevor Moore

Unavailable Monday
Drew Doughty

Could Return Thursday
Roope Hintz

Misses Third Consecutive Game
Zach Werenski

Iffy for Monday's Action
Travis Konecny

a Game-Time Decision Monday
John Gibson

Exits Win Early
Connor Murphy

Moving to Edmonton
Khalil Mack

Will Play in 2026
MMA

Lone'er Kavanagh Gets Back In The Win Column
Brandon Moreno

Gets Outclassed
Marlon Vera

Loses Fourth Fight In A Row
Daniel Jones

Colts Have "50/50" Chance to Get a Deal Done With Daniel Jones
David Martinez

Remains Undefeated In The UFC
Daniel Zellhuber

Loses Third Consecutive Fight
King Green

Gets Second-Round TKO Win
Felipe Bunes

Drops Decision At UFC Mexico City
Édgar Cháirez

Edgar Chairez Wins Back-To-Back Fights
Ryan Blaney

Falls to Eighth Despite Running Most of the Race in the Top Five At COTA
Ty Gibbs

Wins A Stage and Finishes Fourth At COTA
Christopher Bell

Earns First Top-Five Finish of the 2026 Season at COTA
Kyler Murray

"Repeatedly" Linked to Jets
Shane Van Gisbergen

Falls Short of Victory At COTA
Tyler Reddick

Wins At COTA and Makes NASCAR History
David Montgomery

Texans Acquire David Montgomery From Lions
Lukas Dostal

Sets New Career High With 24th Win
Cutter Gauthier

Hits Two Goals in Shootout Win
Robert Thomas

Returns to Action With Multi-Point Effort
Matthew Tkachuk

Dishes Out Three Assists Sunday
Matthew Schaefer

Has First Three-Point Outing
Kyler Murray

Likely to be Released
Travis Etienne Jr.

Not Expected to be Franchise-Tagged
Aaron Jones Sr.

Vikings Planning to Release Aaron Jones Sr.?
Tyler Reddick

Could Make History at COTA
Shane Van Gisbergen

Shane van Gisbergen Still the Favorite at COTA
Christopher Bell

Will Be Tough to Beat at COTA
AJ Allmendinger

Could Contend at COTA
Connor Zilisch

Carries Plenty of Upside for DFS at COTA
Chase Elliott

May be A Strong Contender Again at COTA
Chris Buescher

Is Nothing But Consistent at Road Courses
Ross Chastain

May Be An Underrated Competitor for the Win at COTA
William Byron

Is William Byron a Viable DFS Option for COTA?
Carson Hocevar

Needs Clean Race at COTA
Kyle Larson

Could be A Decent DFS Option for COTA Lineups
Ryan Blaney

Could Ryan Blaney be A Sleeper DFS Option for All Formats for COTA?
Chase Briscoe

Should DFS Players Roster Chase Briscoe at COTA?
NASCAR

Bubba Wallace Is A Favorable Value Option for COTA DFS Lineups
Ty Gibbs

Could Ty Gibbs Be A Rosterable DFS Play for COTA?
Michael McDowell

Is Michael McDowell A Favorable DFS Option for COTA?
A.J. Brown

Patriots "Have Explored Trade Talks" Involving A.J. Brown
Lone'er Kavanagh

Set For UFC Mexico City Main Event
Brandon Moreno

Looks To Bounce Back
David Martinez

Set For UFC Mexico City Co-Main Event
Marlon Vera

In Dire Need Of Victory
King Green

Looks To Win Back-To-Back Fights
Daniel Zellhuber

Aims To Snap Two-Fight Skid
Felipe Bunes

Looks To Get Back In The Win Column
Édgar Cháirez

Edgar Chairez A Favorite At UFC Mexico City
George Pickens

Cowboys Not Interested in Trading George Pickens
Ashton Jeanty

Not in Line for Workhorse Role in 2026?
Anthony Richardson Sr.

Colts Give Anthony Richardson Sr. Permission to Seek a Trade
Kyler Murray

Prefers to be Released
Derek Carr

"Strong Belief" That Derek Carr is "Very Serious" About Unretiring
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