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INJURY ALERT Out | Personal | Since Jun 25, 2026
Stephen Kolek

Stephen Kolek

SP • Kansas City Royals Proj Rank N/A Actual 141 N/A • Trade Value
IP ERA W-L K/BB K/9 WHIP FSP
52.04.154-234/115.91.197.24
Compared to same point last season
57.03.953-342/206.61.30

Stephen Kolek | Fantasy Outlook

Paternity Leave Temporarily Sidelines Kolek Amidst Recent Performance Struggles

Kolek has been placed on the paternity list following the birth of his first child, effectively removing him from the rotation for the immediate future. The last-place Royals, currently sitting at 34-48 and riding a two-game losing streak, will have to navigate their upcoming series without him. This absence follows a brutal stretch where Kolek surrendered nine hits and allowed a 67.50 ERA over just 1.2 innings in his most recent outing.

Despite the recent blowup, Kolek’s season-long 4.27 ERA and 1.23 WHIP align closely with our data's expectations for a mid-rotation arm. His career history suggests he is much better than the 9.76 ERA he has posted over the last 14 days, though his low strikeout rate of 6.05 K/9 leaves him with a very thin margin for error. We expect him to stabilize back toward his career baseline of a 4.10 ERA once he returns to the mound.

Kolek will miss his scheduled turn in Chicago and is not projected to provide any statistical value for the remainder of this scoring period. While the matchup against a White Sox staff featuring pitchers with ERAs over 8.00 would have been favorable, his personal leave and current lack of command make him an easy fade. He should remain on your bench until he is officially activated and shows signs of regaining his early-season form. Verdict: Sit.

Updated 1 day ago

Stephen Kolek Fantasy

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DATE OPP INN PC K WLK ER DEC ERA WHIP PTS
06/21 STL 1.2 49 0 1 9 LOSS 4.15 1.19 -16
06/14 HOU 7.1 97 4 1 0 WIN 2.68 1.03 24
06/09 TEX 5.0 86 3 1 1 N/A 3.14 1.07 8
06/03 @CIN 7.0 96 8 2 2 N/A 3.32 0.97 19
05/29 @TEX 5.0 91 5 1 4 LOSS 3.48 0.94 3
05/23 SEA 9.0 108 2 1 0 WIN 2.77 0.85 31
05/17 @STL 6.1 82 3 1 0 WIN 4.24 1.00 21
05/12 @CHW 4.2 94 6 3 5 N/A 6.75 1.13 6
05/05 CLE 6.0 83 3 0 3 WIN 4.50 0.67 18
Totals: 52.0786341124 113
Fantasy Chart Loading...
YEAR TM APP INN PC K WLK SV W-L ERA WHIP K/9 PTS
2024 SD 42 42.0 797 39 12 0 3-0 5.79 1.69 8.4 85
2025 SD 19 110.1 1689 77 31 0 5-7 3.59 1.17 6.3 216
2026 KC 9 52.0 786 34 11 0 4-2 4.15 1.19 5.9 113
ON PACE 17 101 1515 65 21 0 7-3 4.15 1.19 5.9 217
3-YEAR AVG 31 75 1243 58 22 0 4-4 4.32 1.35 7 150
Career 70 202.0 3272 150 54 0 0-0 4.23 1.3 6.7

Kolek Projection

View All
ERA WHIP QS WINS SO K/BB K/9 IP LOSSES PC FPTS
5.4 1.388 0.5 0.4 3.4 2.8 5.9 5.1 0.4 83.1 0
ERA WHIP QS WINS SO K/BB K/9 IP LOSSES PC FPTS
0 0 0 0 0 0 0 0.0 0 0 0
Not available due to injury or suspension.
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OWN START TRENDS

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Depth Chart

Kansas City Royals

Roster Breakdown
NAME OWN START
Carter Jensen 85% 80%
Salvador Perez 72% 61%
NAME OWN START
Maikel Garcia 85% 22%
Vinnie Pasquantino 55% 11%
NAME OWN START
Bobby Witt Jr. 100% 90%
Nick Loftin 12% 8%
Michael Massey 7% 5%
Jonathan India 3% 1%
NAME OWN START
Jac Caglianone 90% 83%
Lane Thomas 3% 2%
Kyle Isbel 3% 1%
Isaac Collins 2% 1%
NAME OWN START
Michael Wacha 79% 66%
Cole Ragans 63% 11%
Kris Bubic 51% 4%
Seth Lugo 43% 18%
Noah Cameron 37% 21%
Stephen Kolek 34% 14%
Luinder Avila 8% 8%
Kendry Chourio 1% 0%
NAME OWN START
Mason Miller 100% 98%
Alex Lange 31% 30%
Carlos Estevez 30% 6%
Lucas Erceg 22% 19%
Matt Strahm 10% 9%
Daniel Lynch IV 7% 7%

Team Rankings

AVG
.244
16th
R
352
19th
HR
82
24th
RBI
334
20th
SB
64
9th
OBP
.315
17th
SLG
.391
22nd
OPS
.706
21st
W
34
28th
SV
21
17th
ERA
4.84
27th
WHIP
1.43
27th
QS
38
2nd
TeamW-LWin %GBRSRA
White SoxWhite Sox43-38.531-388369
GuardiansGuardians43-40.5181325334
TwinsTwins39-45.4645.5409440
TigersTigers35-48.4229339340
RoyalsRoyals34-50.40510.5352423

Team Stats

PlayerGPABRHHRRBISBAVGO/S
Carter Jensen77262396411431.244  
Salvador Perez78305296110300.200  
PlayerGPABRHHRRBISBAVGO/S
Vinnie Pasquantino6825428576323.224  
PlayerGPABRHHRRBISBAVGO/S
Michael Massey6519024517272.268  
Nick Loftin4813921333241.237  
Jonathan India174888280.167  
Tyler Tolbert272997017.241  
PlayerGPABRHHRRBISBAVGO/S
Maikel Garcia6926832703305.261  
Josh Rojas71424140.286  
PlayerGPABRHHRRBISBAVGO/S
Bobby Witt Jr.783064189103228.291  
PlayerGPABRHHRRBISBAVGO/S
Jac Caglianone78268397114303.265  
Lane Thomas6918019385223.211  
Kyle Isbel5616416403115.244  
Isaac Collins7423228533234.228  
Starling Marte37891023170.258  
John Rave81534110.267  
Kameron Misner122818042.286  
PlayerGPWLSVIPSOERAWHIPO/S
Michael Wacha17550108.2843.311.14  
Noah Cameron1545080.0754.501.33  
Seth Lugo1635090.1694.191.37  
Kris Bubic932050.1514.111.23  
Cole Ragans814035.1454.841.42  
Luinder Avila1533042.2395.061.62  
Stephen Kolek942052.0344.151.19  
Connor Seabold2010023.1205.011.67  
Mason Black1200017.2153.571.70  
Beck Way900012.2134.261.50  
Eric Cerantola30004.079.001.75  
Bailey Falter50209.2613.973.10  
Mitch Spence30209.1621.213.00  
PlayerGPWLSVIPSOERAWHIPO/S
Lucas Erceg32331230.2255.581.79  
Alex Lange3404635.1375.091.53  
John Schreiber3603133.0263.271.27  
Eli Morgan1401117.1155.191.79  
Daniel Lynch IV3522134.0302.651.03  
Matt Strahm2831025.2205.961.36  
Carlos Estévez10100.10162.0018.00  
Nick Mears2123019.1155.121.50  
Steven Cruz2212024.1335.921.52  

Owned Breakdown

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Schedule

DATE OPP SCORE MATCHUP
06-22 @TBW 1-2Michael Wacha
Drew Rasmussen
06-23 @TBW 5-12Luinder Avila
Shane McClanahan
06-24 @TBL 5-3Noah Cameron
Griffin Jax
06-25 @TBL 13-2Seth Lugo
Casey Legumina
06-26 @CHWL 22-1Steven Cruz
David Sandlin
06-27 @CHWL 2-1Michael Wacha
Davis Martin
06-28 @CHW02:10 EDTLuinder Avila
Anthony Kay

Player Timeline

Jun 14th

Royals Blank Opponent in Shutout Win Behind Stephen Kolek’s Strong ...

May 23rd

Stephen Kolek Nears Shutout as Royals Lead 5-0 at Kauffman Stadium

Player News

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    @NFL_DovKleiman

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    @Chandler_Rome

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    @jkamckenzie

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    @chelsea_janes

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    @NFL_DovKleiman

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    @ProFootballTalk

  • Najee Harris RB •

    Najee Harris Says NFL Players Check X at Halftime for Fan Reactions

    @NFL_DovKleiman

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    Lions CB Terrion Arnold Faces Custody Hearing Amid Kidnapping and Armed Robbery Charges

    @AdamSchefter

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    @Ian_OConnor

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  • Bryan Woo SP • SEA

    Mariners Announce Probable Starters vs. Angels: Kirby Monday, Woo Tuesday, Miller Thursday

    @RyanDivish

  • Jack Flaherty SP • DET

    Astros Announce Lineup vs. Jack Flaherty

    @Chandler_Rome

  • Dansby Swanson SS • CHC

    Dansby Swanson Pulls Off Perfect Deke to Throw Out Jackson Chourio at Third

    @RyanDivish

  • Jorge Polanco 1B • NYM

    Jorge Polanco Says Rehab Is Progressing Well, Plans to DH and Could Play 1B if Healthy

    @chelsea_janes

  • Luke Raley RF • SEA

    Luke Raley Dealing with Elbow Discomfort, Out of Lineup for MLB Team

    @RyanDivish

  • Jesus Made SS • MIL

    Brewers’ Top Prospect Jesús Made Continues Hot Streak With Three-Hit Night

    @MLBPipeline

  • Sandro Mamukelashvili PF • TOR

    NBA Teams Could See Sandro Mamukelashvili as a Valuable Summer Addition

    @JustEsBaraheni

  • Braden Smith PG • IND

    Bulls coming out of the NBA Draft 'Winning,' but they're not alone

    Chicago Sun-Times

  • Jalen Duren C • DET

    Jaylen Brown Drawing Trade Interest From Multiple NBA Teams, Per Sources

    @JustEsBaraheni

  • Jordan Walsh SF • BOS

    Jordan Walsh’s Development Earns Him a Steady Role in the Celtics’ Rotation

    @celtics

  • Bradley Beal SG • LAC

    NBA Wishes Bradley Beal a Happy 33rd Birthday as Clippers Guard

    @NBA

  • Caleb Wilson PF • CHI

    Fans Compare Caleb Wilson and Dailyn Swain to Classic Bulls Toughness

    @ctsbulls

  • Andre Burakovsky LW • OTT

    Senators Eyeing Andre Burakovsky as Potential Top-Six Fit, Staios Defers to Travis Green

    @jkamckenzie

  • Brandon Bussi G • CAR

    Hurricanes Showcase Five Undrafted Players on Roster After NHL Draft

    @WaltRuff

  • Mason McTavish C • STL

    Mason McTavish Boasts 64.3% Career Shootout Success Rate

    @StLouisBlues

  • Zach Werenski D • CBJ

    Leafs Linked to Blockbuster Trade Rumors for Zach Werenski

    @jonassiegel

  • Dylan Larkin C • DET

    Yzerman and Pat Brisson Address Dylan Larkin Trade Request for First Time

    @shaynagoldman_

  • Andre Burakovsky LW • OTT

    Staios Explains Senators’ Burakovsky-Ersson Moves and Trade Targets

    @jkamckenzie

Waiver Trends

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Kumar Rocker TEX SP +4.1
Robbie Ray SF SP +4.0
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Kyle Leahy STL SP +3.8
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Jack Perkins ATH RP +3.0
Walbert Urena LAA SP -10.7
Spencer Arrighetti HOU SP -8.9
Dustin May STL SP -6.3
Roki Sasaki LAD SP -4.4
Andrew Abbott CIN SP -4.4
Andrew Alvarez WAS SP -4.1
Tomoyuki Sugano COL SP -3.7
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Reynaldo Lopez ATL SP -3.3
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