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Nick Martinez or Stephen Kolek

Who Should I Start? - Week 15 • Start New
Nick Martinez

Nick Martinez

SPTampa Bay Rays TB
Stephen Kolek

Stephen Kolek

SPKansas City Royals KC
OR
🔓 EXPERT ANALYSIS

Owners starting Martinez over Kolek

 
 
 
 
START BOTH START BENCH BOTH BN

Includes Detailed Projections

Outlook Nick Martinez

Nick Martinez targets a bounce-back to close out his two-start week.

Nick Martinez has hit a minor bump, posting a 4.46 ERA over his last two outings for the second-place Rays, who currently sit at 41-30 and are looking to break a three-game slide. Despite this recent uptick in runs allowed, the veteran remains a highly consistent presence in the number two spot of Tampa Bay's rotation.

While his 4.64 ERA over the last 30 days shows some regression, his stellar 2.65 ERA and 1.18 WHIP on the season still easily outpace our rest-of-season projection of a 4.40 ERA. Expect some long-term correction toward his career baselines, but his excellent command keeps his floor high.

After taking a loss against the Dodgers on Monday, Martinez finishes his two-start week on Sunday with a highly favorable home matchup against Washington. Facing a weak Nationals lineup makes him an excellent option to close out the weekly matchup. Start him with confidence.

Updated 2 days ago

Latest News Nick Martinez
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🔓 EXPERT ANALYSIS

Owners starting Kolek over Martinez

 
 
 
 
START BOTH START BENCH BOTH BN

Includes Detailed Projections

Outlook Stephen Kolek

Stephen Kolek's Stellar Run Makes Him a Reliable Option for the Injured Royals

Stephen Kolek is on an absolute tear, posting a microscopic 0.74 ERA and 1.24 WHIP over his last 14 days, including a spectacular shutout win on June 14. This hot streak is a massive boost for the fifth-place Royals, who currently sit at 30-45 in the AL Central and have seen their rotation decimated by injuries to Seth Lugo and Cole Ragans. With those arms sidelined, Kolek has confidently secured his place as the number four starter in the rotation.

While Kolek's outstanding 1.90 ERA over the last 30 days is eye-catching, some regression is expected back toward his career baseline, as our season projection forecasts a 4.28 ERA and 1.36 WHIP. However, his strong 2026 campaign with a 2.73 ERA and 1.05 WHIP through 49.4 innings is supported by vastly improved command, evidenced by just 10 walks on the year. This suggests his step forward is legitimate rather than a fluke.

Looking at the week ahead, Kolek is scheduled for a single home start on June 21 against the Cardinals and their starter Dustin May, who carries a 3.75 ERA and a 1.14 WHIP. Given his current momentum and excellent command, Kolek is a highly viable option to deploy in all standard formats. Verdict: Start.

Updated 2 days ago

Latest News Stephen Kolek
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Performance Nick Martinez
Fantasy Chart Loading...

ERA W-L HLD SV SO WLK WHIP GP
5.290-000611.181
Season stats based on the past 7 days

ERA W-L HLD SV SO WLK WHIP GP
4.461-000810.992
Season stats based on the past 14 days
Performance Stephen Kolek
Fantasy Chart Loading...

ERA W-L HLD SV SO WLK WHIP GP
0.001-000410.851
Season stats based on the past 7 days

ERA W-L HLD SV SO WLK WHIP GP
0.741-000721.242
Season stats based on the past 14 days
Next Up Own/Start Comparison
OWN/START Nick Martinez
OWN
78%
+1.05 compared to last week
START
45%
+2.77 compared to last week
OWN/START Stephen Kolek
OWN
59%
+11.8 compared to last week
START
19%
-15.11 compared to last week
Next Up Consensus Rankings
Expert Consensus Nick Martinez
75th
Average Ranking of Fantasy Experts
Expert Consensus Stephen Kolek
108th
Average Ranking of Fantasy Experts
Next Up Player Breakdowns
Breakdown Nick Martinez

    Overview

  • Experts rank this player at 75th among SP's. Based on his stats from the past 60 days, he is currently ranked 26th.
  • The current leader among SP's is Jacob Misiorowski
  • You have to be impressed by how much better he is performing. Can he keep this up or is it a fluke?
  • Trending Pitching Stats

  • Top 50 in WHIP and is currently ranked 44th with 1.14
  • Top 25 in ERA and is currently ranked 22nd with 2.69
  • He is among the best in wins and is currently ranked 10th with 6
  • Top 75 in innings pitched and is currently ranked 56th with 61.0
  • His average points in the past two weeks have remained fairly consistant and rose slightly by 0.4 PPG.
  • At this point in the season his numbers compared to last years: W: +2, L: -6, WHIP: -0.13, ERA: -1.999, K's: -12, Walks: -5
Breakdown Stephen Kolek

    Overview

  • Experts rank this player at 108th among SP's. Based on his stats from the past 60 days, he is currently ranked 47th.
  • The current leader among SP's is Jacob Misiorowski
  • He is performing amazing in the past 30 days. If he can keep it up, then keep him. . otherwise think trade.
  • Trending Pitching Stats

  • Top 25 in WHIP and is currently ranked 24th with 1.05
  • Top 35 in ERA and is currently ranked 26th with 2.73
  • Top 50 in wins and is currently ranked 47th with 4
  • At this point in the season his numbers compared to last years: W: +1, L: -1, WHIP: -0.299, ERA: -1.03, K's: -3, Walks: -9
Next Up Health Check
Injury Nick Martinez

No Injury Reported

Injury Stephen Kolek

No Injury Reported

Next Up Matchup Comparison
Matchups Nick Martinez
DateOpponentResult
Jun 15@LADKyle HurtL 4-3
Jun 16@LADJustin WrobleskiL 1-0
Jun 17@LADShohei OhtaniL 5-4
Jun 19VS WASGriffin JaxW 5-2
Jun 20VS WASMitchell ParkerL 3-4
Jun 21VS WASAndrew Alvarez
ERA W-L HLD SV SO WLK WHIP GP
5.290-000611.181
Season stats based on this weeks opponents
Matchups Stephen Kolek
DateOpponentResult
Jun 15@WASBrad LordL 7-3
Jun 16@WASPaxton SchultzL 6-4
Jun 17@WASLuinder AvilaW 2-6
Jun 18VS STLNoah CameronW 14-6
Jun 19VS STLSeth LugoW 6-5
Jun 21VS STLDustin May
ERA W-L HLD SV SO WLK WHIP GP
0.001-000310.821
Season stats based on this weeks opponents
Next Up Ratings Comparison
Rating Nick Martinez
10.81
FantasySP Player Rating
Rating Stephen Kolek
8.72
FantasySP Player Rating
Next Up Career Comparison
Career Nick Martinez
YEAR TM APP INN PC K WLK SV W-L ERA WHIP K/9 PTS
2014 TEX 27 130.2 2239 77 46 0 5-10 4.27 1.41 5.3 230
2015 TEX 24 122.2 2119 77 46 0 7-7 4.04 1.48 5.7 248
2016 TEX 12 38.2 649 16 19 0 2-3 5.59 1.66 3.7 45
2017 TEX 23 109.0 1815 67 28 0 3-8 5.78 1.39 5.5 177
2022 SD 48 112.2 1794 99 42 8 4-5 3.28 1.22 7.9 252
2023 SD 63 108.0 1752 106 40 0 6-4 3.5 1.29 8.8 231
2024 CIN 42 140.0 2125 116 18 0 10-7 3.15 1.04 7.5 317
2025 CIN 41 161.1 2595 116 43 0 11-14 4.74 1.27 6.5 278
2026 TB 14 83.0 1154 50 14 0 6-2 2.6 1.16 5.4 188
ON PACE 31 185 2560 110 31 0 13-4 2.6 1.16 5.4 417
3-YEAR AVG 49 135 2157 113 34 0 9-8 3.93 1.21 7.5 275
Career 294 994.1 16242 724 296 0 0-0 4.09 1.31 6.6
Career Stephen Kolek
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 8 50.1 737 34 10 0 4-1 2.68 1.03 6.1 129
ON PACE 16 106 1550 71 21 0 8-2 2.68 1.03 6.1 270
3-YEAR AVG 31 75 1243 58 22 0 4-4 4.32 1.35 7 150
Career 69 200.1 3223 150 53 0 0-0 3.86 1.26 6.7
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Player News

Matchups

Week 1
ARI @LAC
ATL @PIT
BAL @IND
BUF @HOU
CAR vs CHI
CIN vs TB
CLE @JAC
DAL @NYG
DEN @KC
DET vs NO
GB @MIN
LAR vs SF
LV vs MIA
NE @SEA
NYJ @TEN
PHI vs WAS
Matchup Time Pitchers
ARI vs MIN 03:15 EDT EST Jose Cabrera
Mike Paredes
ATH vs LAA 04:05 EDT EST Jack Perkins
Reid Detmers
ATL vs MIL 01:35 EDT EST Bryce Elder
Robert Gasser
BAL @LAD 04:10 EDT EST Brandon Young
Emmet Sheehan
BOS @SEA 04:10 EDT EST Payton Tolle
Logan Gilbert
CHC vs TOR 02:20 EDT EST Shota Imanaga
Dylan Cease
CHW @DET 01:40 EDT EST Davis Martin
Keider Montero
CIN @NYY 01:35 EDT EST Chase Burns
Elmer Rodriguez
CLE @HOU 02:10 EDT EST Slade Cecconi
Kai-Wei Teng
COL vs PIT 03:10 EDT EST Michael Lorenzen
Jared Jones
KC vs STL 02:10 EDT EST Stephen Kolek
Dustin May
MIA vs SF 01:40 EDT EST Ryan Gusto
Logan Webb
NYM @PHI 07:20 EDT EST David Peterson
Zack Wheeler
SD @TEX 02:35 EDT EST Lucas Giolito
Nathan Eovaldi
TB vs WAS 01:40 EDT EST Nick Martinez
Andrew Alvarez
Matchup Time
No games scheduled
Matchup Time
No games scheduled