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George Kirby or Foster Griffin

Who Should I Start? - Week 13 • Start New
George Kirby

George Kirby

SPSeattle Mariners SEA
Foster Griffin

Foster Griffin

SPWashington Nationals WAS
OR
🔓 EXPERT ANALYSIS

Owners starting Kirby over Griffin

 
 
 
 
START BOTH START BENCH BOTH BN

Includes Detailed Projections

Outlook George Kirby

George Kirby aims to correct course and shake off recent struggles in Baltimore

Kirby has hit a rough patch lately, enduring a tough 7.91 ERA and 1.87 WHIP over his last two outings spanning 9.1 innings. Despite these recent bumps, he remains locked in as the solid number two starter in the rotation for the first-place Mariners, who currently hold a 34-32 record. He will look to steady the ship for a Seattle club that is currently missing key components like Cal Raleigh due to injury.

Under the hood, Kirby's signature elite control suggests this rough stretch is merely a temporary fluke rather than a permanent decline. Our season projection expects him to settle back into his usual stellar form, forecasting a 3.71 ERA, a 1.11 WHIP, and 173 strikeouts across 170.0 innings of work. Fantasy managers should maintain patience, as his exceptional career walk rates support a major positive regression back to his baseline.

Looking ahead, Kirby is slated for a single start on Wednesday, June 10, on the road against Baltimore and right-hander Brandon Young. Our weekly models project a solid bounce-back performance of five strikeouts over 5.2 innings, making him a safe option despite the challenging road venue. Lock him into your lineups with confidence. Verdict: Start.

Updated 2 days ago

Latest News George Kirby
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🔓 EXPERT ANALYSIS

Owners starting Griffin over Kirby

 
 
 
 
START BOTH START BENCH BOTH BN

Includes Detailed Projections

Outlook Foster Griffin

Foster Griffin's solid underlying metrics make him an intriguing draft target with stable rotation security.

After returning from a three-year stint in Japan, Foster Griffin has successfully worked his way back into a major league rotation. He slots in as the number three starter in the Nationals' rotation, providing much-needed stability to a starting staff looking for reliable innings. At 30 years old, Griffin offers a polished arsenal that includes a splitter he refined overseas, helping him secure a firm hold on a starting job.

Our projection models forecast Griffin to throw 136.0 innings with a 4.17 ERA and a 1.28 WHIP, along with 80 strikeouts and nine quality starts. While these ratios point to a solid mid-rotation starter, his career 2026 marks of a 3.66 ERA and a 1.11 WHIP over 71.3 innings suggest there could be room for him to outperform our conservative baseline. He represents a stable source of innings who won't severely damage your WHIP, making him a useful depth starter.

Ultimately, Griffin is a viable late-round target or waiver-wire priority for managers seeking rotation depth. He is not a high-strikeout ace, but his secure role in Washington and his ability to limit free passes provide a safe fantasy floor. Draft him as a back-end starter who can be streamed in favorable matchups.

Updated 2 days ago

Latest News Foster Griffin
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Performance George Kirby
Fantasy Chart Loading...

ERA W-L HLD SV SO WLK WHIP GP
9.000-100512.501
Season stats based on the past 7 days

ERA W-L HLD SV SO WLK WHIP GP
7.910-100921.872
Season stats based on the past 14 days
Performance Foster Griffin
Fantasy Chart Loading...

ERA W-L HLD SV SO WLK WHIP GP
1.801-000400.401
Season stats based on the past 7 days

ERA W-L HLD SV SO WLK WHIP GP
3.601-000920.902
Season stats based on the past 14 days
Next Up Own/Start Comparison
OWN/START George Kirby
OWN
99%
+0.79 compared to last week
START
90%
+13.36 compared to last week
OWN/START Foster Griffin
OWN
70%
+9.82 compared to last week
START
62%
+31.61 compared to last week
Next Up Consensus Rankings
Expert Consensus George Kirby
22nd
Average Ranking of Fantasy Experts
Expert Consensus Foster Griffin
73rd
Average Ranking of Fantasy Experts
Next Up Player Breakdowns
Breakdown George Kirby

    Overview

  • Experts rank this player at 23rd among SP's. Based on his stats from the past 60 days, he is currently ranked 59th.
  • The current leader among SP's is Cristopher Sanchez
  • He is in a heck of a slump. You might be able to get him now for a discount.
  • Trending Pitching Stats

  • Currently ranked 120th in WHIP with 1.47
  • Top 100 in ERA and is currently ranked 92nd
  • Top 75 in wins and is currently ranked 61st with 4
  • Top 75 in innings pitched and is currently ranked 67th with 58.0
  • Decline in numbers lately by 4 PPG.
  • At this point in the season his numbers compared to last years: W: +4, L: +2, WHIP: -0.057, ERA: -2.643, K's: +39, Walks: +14
Breakdown Foster Griffin

    Overview

  • Experts rank this player at 73rd among SP's. Based on his stats from the past 60 days, he is currently ranked 18th.
  • The current leader among SP's is Cristopher Sanchez
  • He is performing amazing in the past 30 days. Will he keep it up?
  • Trending Pitching Stats

  • Top 35 in WHIP and is currently ranked 30th with 1.08
  • Top 75 in ERA and is currently ranked 63rd with 3.82
  • Top 75 in walks and is currently ranked 67th with 18
  • Top 100 in strikeouts and is currently ranked 81st with 58
  • He is among the best in wins and is currently ranked 5th with 6
  • Top 75 in innings pitched and is currently ranked 62nd with 62.0
  • At this point in the season his numbers compared to last years: W: +7, L: +2, WHIP: +1.1, ERA: +3.63, K's: +69, Walks: +21
Next Up Health Check
Injury George Kirby

No Injury Reported

Injury Foster Griffin

No Injury Reported

Next Up Matchup Comparison
Matchups George Kirby
DateOpponentResult
Jun 08@BALEmerson HancockW 3-6
Jun 09@BALJose A. FerrerW 5-6
Jun 10@BALBrandon Young
Jun 11@BALKyle Bradish
Jun 12@WASZack Littell
Jun 13@WASCade Cavalli
Jun 14@WASMiles Mikolas
ERA W-L HLD SV SO WLK WHIP GP
nan-nan0
Season stats based on this weeks opponents
Matchups Foster Griffin
DateOpponentResult
Jun 08@SFClayton BeeterW 3-4
Jun 09@SFBrad LordW 3-6
Jun 10@SFRobbie Ray
Jun 12VS SEABryce Miller
Jun 13VS SEALuis Castillo
Jun 14VS SEAEmerson Hancock
ERA W-L HLD SV SO WLK WHIP GP
nan-nan0
Season stats based on this weeks opponents
Next Up Ratings Comparison
Rating George Kirby
13.20
FantasySP Player Rating
Rating Foster Griffin
9.97
FantasySP Player Rating
Next Up Career Comparison
Career George Kirby
YEAR TM APP INN PC K WLK SV W-L ERA WHIP K/9 PTS
2022 SEA 26 132.0 2126 131 22 1 8-4 3.2 1.19 8.9 328
2023 SEA 31 188.1 2825 172 19 0 13-10 3.39 1.05 8.2 463
2024 SEA 33 188.2 2967 179 23 0 14-11 3.58 1.08 8.5 459
2025 SEA 27 144.0 2385 158 33 0 10-9 4.44 1.22 9.9 329
2026 SEA 13 78.0 1195 64 18 0 5-5 4.04 1.28 7.4 158
ON PACE 30 186 2846 152 42 0 11-11 4.04 1.28 7.4 376
3-YEAR AVG 30 173 2726 170 25 0 12-10 3.72 1.1 8.8 417
Career 130 726.1 11498 704 115 0 0-0 3.7 1.15 8.7
Career Foster Griffin
YEAR TM APP INN PC K WLK SV W-L ERA WHIP K/9 PTS
2020 KC 1 1.2 23 1 0 0 1-0 0 0 5.4 8
2022 KC 6 7.1 111 4 5 0 0-0 7.36 1.64 4.9 5
2026 WAS 13 72.0 1172 69 21 0 7-2 3.63 1.1 8.6 185
ON PACE 30 172 2792 164 50 0 16-4 3.63 1.1 8.6 439
3-YEAR AVG 0 0 0 0 0 0 0-0 NAN NAN NAN 0
Career 20 81.0 1306 74 26 0 0-0 3.89 1.12 8.2
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RECENT DECISIONS

Latest from FSP

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 @MIA 06:40 EDT EST Ryne Nelson
Ryan Gusto
ATH vs MIL 09:05 EDT EST Jack Perkins
Brandon Sproat
ATL @CHW 07:40 EDT EST Chris Sale
Davis Martin
BAL vs SEA 06:35 EDT EST Brandon Young
George Kirby
BOS @TB 01:10 EDT EST Jake Bennett
Drew Rasmussen
CHC @COL 08:40 EDT EST Shota Imanaga
Michael Lorenzen
CIN @SD 04:10 EDT EST Brady Singer
Michael King
CLE vs NYY 01:10 EDT EST Parker Messick
Carlos Rodon
DET vs MIN 06:40 EDT EST Framber Valdez
Mike Paredes
HOU @LAA 09:38 EDT EST Peter Lambert
Reid Detmers
KC vs TEX 07:40 EDT EST Seth Lugo
MacKenzie Gore
LAD @PIT 06:40 EDT EST Shohei Ohtani
Jared Jones
NYM vs STL 07:10 EDT EST Austin Warren
Andre Pallante
PHI @TOR 07:07 EDT EST Jesus Luzardo
Max Scherzer
SF vs WAS 03:45 EDT EST Robbie Ray
Foster Griffin
Matchup Time
NY vs SA 8:30 PM EST
Matchup Time
No games scheduled