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Luis Castillo

Luis Castillo

SP • Seattle Mariners Proj Rank 105 Actual 126 103 ADP • Trade Value
IP ERA W-L HLD SV K/BB K/9 WHIP FSP
61.0 5.16 2-4 1 0 61/23 9 1.34 9.78
Compared to same point last season
73.13.314-40060/237.41.30

Luis Castillo | Fantasy Outlook

Luis Castillo Finds His Groove with Dominant Stretch Ahead of Washington Matchup

Luis Castillo is locked in, boasting a stellar 1.27 ERA and 0.77 WHIP over his last 14.2 innings. Despite earlier frustration with Seattle's piggyback pitching strategy, the veteran right-hander remains a key cog for the first-place Mariners, who lead the division with a 34-32 record. He continues to deliver high-quality frames even as the team manages injuries to key players like catcher Cal Raleigh.

While Castillo's overall 2026 stats show a bloated 5.35 ERA and 1.39 WHIP, his recent surge is a clear indicator of regression toward his career norms. Our models project him to stabilize with a 3.76 ERA and 1.19 WHIP over 177.0 projected innings this season. His 30 strikeouts over his last 25.5 innings demonstrate that his swing-and-miss stuff has fully returned, making his early-season struggles a thing of the past.

Castillo is scheduled for a single start this week on June 13th on the road against the Nationals. He matches up against Cade Cavalli, who enters the contest with a beatable 3.88 ERA and a high 1.44 WHIP. Armed with excellent recent form and a highly favorable matchup, Castillo should be locked into all lineups. Verdict: Start.

Updated 16 hrs ago

Luis Castillo Fantasy

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DATE OPP INN PC K WLK ER DEC ERA WHIP PTS
06/07 @DET 5.2 100 5 1 1 N/A 5.16 1.34 14
05/31 ARI 5.0 71 3 2 1 WIN 5.53 1.43 15
05/25 @ATH 4.0 68 6 2 0 N/A 5.90 1.49 12
05/19 CHW 2.1 54 4 2 2 HOLD 6.41 1.53 5
05/14 @HOU 5.2 108 6 3 3 WIN 6.34 1.55 16
05/09 @CHW 4.0 84 6 0 4 LOSS 6.57 1.59 3
05/03 KC 6.0 101 5 2 4 LOSS 6.29 1.63 4
04/27 @MIN 5.0 97 3 2 7 LOSS 6.35 1.69 -4
04/21 ATH 5.0 95 6 2 2 N/A 5.01 1.67 11
04/16 @SD 5.1 98 3 3 1 LOSS 5.40 1.75 3
04/11 HOU 3.1 91 3 1 7 N/A 6.92 1.69 -3
04/05 @LAA 3.2 84 4 1 3 N/A 2.79 1.14 5
03/30 NYY 6.0 95 7 2 0 N/A 0.00 0.67 20
Totals: 61.01146612335 100
Fantasy Chart Loading...
YEAR TM APP INN PC K WLK SV W-L ERA WHIP K/9 PTS
2017 NYM 15 89.1 1484 98 32 0 3-7 3.12 1.07 9.9 234
2018 CIN 31 165.0 2778 165 49 0 10-12 4.42 1.25 9 393
2019 CIN 32 188.1 3158 226 79 0 15-8 3.49 1.16 10.8 524
2020 CIN 14 81.1 1349 104 27 0 5-7 3.32 1.25 11.5 214
2021 CIN 31 177.2 2964 178 70 0 7-16 4.1 1.34 9 339
2022 CIN 27 152.0 2524 163 41 0 9-6 2.66 1.05 9.7 407
2023 SEA 33 197.0 3207 219 56 0 14-9 3.38 1.1 10 506
2024 SEA 30 173.0 2859 175 47 0 11-12 3.69 1.18 9.1 401
2025 SEA 35 189.0 3136 167 51 0 12-9 3.52 1.19 8 428
2026 SEA 13 61.0 1146 61 23 0 2-4 5.16 1.34 9 100
ON PACE 31 150 2812 149 56 0 4-9 5.16 1.34 9 245
3-YEAR AVG 33 185 3067 187 51 0 12-10 3.54 1.16 9.1 445
Career 261 1464.1 24605 1556 475 0 0-0 3.66 1.19 9.6

Castillo Projection

View All
ERA WHIP SAVES HOLDS WINS SO K/BB K/9 SVHD IP LOSSES PC FPTS
2.565 0.765 0 0.1 0.3 4.5 2.6 8.6 0.1 6.2 0.2 85.7 11.2
ERA WHIP QS WINS SO K/BB K/9 IP LOSSES PC FPTS
0 0 0 0 0 0 0 0.0 0 0 NAN
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OWN START TRENDS

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Depth Chart

Seattle Mariners

Roster Breakdown
NAME OWN START
Cal Raleigh 99% 14%
Jhonny Pereda 1% 1%
NAME OWN START
Josh Naylor 91% 80%
Brendan Donovan 57% 5%
Colt Emerson 44% 34%
NAME OWN START
Cole Young 21% 16%
J.P. Crawford 20% 11%
NAME OWN START
Julio Rodriguez 100% 98%
Randy Arozarena 100% 97%
Luke Raley 43% 35%
Dominic Canzone 12% 10%
Lazaro Montes 2% 0%
Victor Robles 1% 0%
Rob Refsnyder 1% 0%
NAME OWN START
Bryan Woo 100% 72%
Logan Gilbert 99% 59%
George Kirby 98% 63%
Emerson Hancock 96% 75%
Bryce Miller 86% 56%
Luis Castillo 66% 57%
Ryan Sloan 4% 0%
NAME OWN START
Andres Munoz 91% 90%
Matt Brash 14% 12%
Jose A. Ferrer 13% 11%
Eduard Bazardo 11% 10%
Gabe Speier 4% 3%

Team Rankings

AVG
.237
20th
R
284
14th
HR
85
7th
RBI
277
13th
SB
52
11th
OBP
.319
14th
SLG
.399
8th
OPS
.718
9th
W
35
9th
SV
15
20th
ERA
3.49
5th
WHIP
1.19
4th
QS
28
6th
TeamW-LWin %GBRSRA
MarinersMariners35-32.522-284252
RangersRangers32-33.4922262248
AthleticsAthletics31-35.4703.5287331
AstrosAstros31-37.4564.5312340
AngelsAngels25-42.37310295347

Team Stats

PlayerGPABRHHRRBISBAVGO/S
Cal Raleigh4116116267182.161  
Mitch Garver31791215270.190  
Jhonny Pereda1652715240.288  
PlayerGPABRHHRRBISBAVGO/S
Josh Naylor62245266473012.261  
PlayerGPABRHHRRBISBAVGO/S
Cole Young6723828604312.252  
Ryan Bliss2400010.000  
PlayerGPABRHHRRBISBAVGO/S
Colt Emerson19629154100.242  
Brendan Donovan2584923381.274  
Patrick Wisdom113224140.125  
Will Wilson2511120.200  
Leo Rivas3899913072.131  
PlayerGPABRHHRRBISBAVGO/S
J.P. Crawford55193314410231.228  
PlayerGPABRHHRRBISBAVGO/S
Julio Rodríguez67270376913329.256  
Luke Raley61174224413311.253  
Randy Arozarena67246437263018.293  
Rob Refsnyder4083711390.133  
Connor Joe183326132.182  
Victor Robles152918021.276  
PlayerGPABRHHRRBISBAVGO/S
Dominic Canzone5814322408251.280  
PlayerGPWLSVIPSOERAWHIPO/S
Logan Gilbert1344073.2773.791.10  
Bryan Woo1354077.0753.741.00  
Emerson Hancock1352075.2732.740.95  
George Kirby1355078.0644.041.28  
Luis Castillo1325061.0615.161.36  
Bryce Miller520027.0291.330.78  
PlayerGPWLSVIPSOERAWHIPO/S
Andrés Muñoz26341024.1375.181.36  
Jose A. Ferrer3201329.0251.551.24  
Gabe Speier2012116.2172.161.26  
Cooper Criswell2621130.2233.521.17  
Eduard Bazardo3232030.2262.351.37  
Matt Brash2030016.2150.540.84  
Cole Wilcox1100013.1155.402.18  
Nick Davila70007.140.001.23  
Josh Simpson30002.137.711.29  
Alex Hoppe1301015.1166.461.44  
Domingo Gonzalez40005.250.001.41  

Owned Breakdown

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Schedule

DATE OPP SCORE MATCHUP
06-08 @BAL06:35 EDTEmerson Hancock
Chris Bassitt
06-09 @BAL06:35 EDTLogan Gilbert
Trevor Rogers
06-10 @BAL06:35 EDTGeorge Kirby
Brandon Young
06-11 @BAL07:05 EDTBryan Woo
Kyle Bradish
06-12 @WAS06:45 EDTBryce Miller
Zack Littell
06-13 @WAS04:05 EDTLuis Castillo
Cade Cavalli
06-14 @WAS01:35 EDTEmerson Hancock
Miles Mikolas

Player Timeline

May 24th

Luis Castillo to Start in Sacramento, Bryce Miller to Piggyback

Apr 16th

Mariners Announce Luis Castillo to Start Series Finale at 5:40 p.m.

Feb 27th

Luis Castillo Revamps Offseason Training to Sustain 94–96 MPH Fastball ...

Feb 18th

MLB News: Luis Castillo Returns to Pitch After Paternity Leave for Birth ...

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