P Nick 'The Joker' Trefethen #31
Everett AquaSox (SEA) NWL
Age: 19 | Bats: R | Throws: R | Morale: Good
06/16/2026
BNN Index | NWL | SCORES | STANDINGS | STATS | TEAMS | PLAYERS | TRANSACTIONS | HISTORY
P NICK 'THE JOKER' TREFETHEN #31 - AGE: 19 - BATS: R - THROWS: R - MORALE: GOOD
G GS Rec SV ERA IP HA HR BB K WHIP WAR
3 3 2-1 0 1.66 21.2 14 1 2 14 0.74 0.7
PITCHING RATINGS (OSA)
Overall Pot. Overall Vs Left Vs Right Pot.
Stuff 25 25 25 55
Movement 45 45 45 70
Control 40 40 40 70
PITCHING RATINGS
Pitch Cur. Pot.
Fastball 45 75
Slider 30 45
Curveball 25 50
Changeup 20 55
Sinker 30 55
Cutter 30 70
OTHER PITCHING RATINGS
Velocity 95-97 Mph
Stamina 50
Suggested Role Starter
Type Neutral
Hold Runners 35
Defense 55
RUN/BUNT RATINGS
Running Speed: 35
Stealing Ability: 20
Baserunning Inst.: 30
Sacrifice Bunt: 55
Bunt for Hit: 20
   
GAME LOG, LAST 10 GAMES
Date Vs. Result Start IP H R ER BB K Dec
06/13/2026 EUG Win, 1-0 X 7.0 7 0 0 0 1 Win
06/08/2026 @ HIL Win, 7-1 X 7.2 3 1 1 0 8 Win
06/02/2026 SPO Loss, 3-5 X 7.0 4 4 3 2 5 Loss
PERSONALITY
Birthday:11/15/2006
Born in:New York, NY
Nationality:American
Height:6' 0"
Weight:175 lbs
Local Popularity:Well Known
National Pop.:Fair
STATUS
Contract:Minor League Contract
Salary:-
Signed Through:-
Major Service:None, None
Service This Yr:None
40-Man Service:None, None
Pro Service:1 Year
Arbitration Eligibility:Not yet eligible
Option Years:3 option years left
Contract Extension: -
Drafted:2025, 12th Pick in Round 1
NORTHWEST LEAGUE 2026 PITCHING STATS
Pitching G GS W L SV ERA IP HA R ER HR BB K CG CG% SHO QS QS%
Overall 3 3 2 1 0 1.66 21.2 14 5 4 1 2 14 0 0.0 0 3 100.0
Pitching SVO BS SV% RA GF BR/9 H/9 K/9 BB/9 FIP WHIP FIP- WAR BABIP        
Overall 0 0 0.0 0 0 6.65 5.82 5.82 0.83 2.66 0.74 66 0.7 .217        
Pitching AB H 2B 3B HR R BB K SF SH HP AVG OBP SLG OPS      
vs. LHB 26 4 1 0 0 0 1 4 0 0 0 .154 .185 .192 .377      
vs. RHB 49 10 2 1 1 5 1 10 0 1 0 .204 .220 .347 .567      
NORTHWEST LEAGUE 2026 PITCHING SPLITS
Split G GS W L SV ERA IP HA R ER HR BB K  
Last Week 2 2 2 0 0 0.61 14.2 10 1 1 0 0 9  
June 3 3 2 1 0 1.66 21.2 14 5 4 1 2 14  
Career 3 3 2 1 0 1.66 21.2 14 5 4 1 2 14  
Home 2 2 1 1 0 1.93 14.0 11 4 3 1 2 6  
Road 1 1 1 0 0 1.17 7.2 3 1 1 0 0 8  
Grass 2 2 1 1 0 1.93 14.0 11 4 3 1 2 6  
Turf 1 1 1 0 0 1.17 7.2 3 1 1 0 0 8  
Day 1 1 1 0 0 0.00 7.0 7 0 0 0 0 1  
Night 2 2 1 1 0 2.45 14.2 7 5 4 1 2 13  
As Starter 3 3 2 1 0 1.66 21.2 14 5 4 1 2 14  
CAREER PITCHING STATS
Year/Team/League Age G GS W L SV ERA IP HA R ER HR BB K CG SHO WHIP BABIP FIP WAR ERA+
CAREER MINOR LEAGUE PITCHING STATS
Year/Team/League Age G GS W L SV ERA IP HA R ER HR BB K CG SHO WHIP BABIP FIP WAR ERA+
2025 Total - 18 15 15 11 0 0 0.91 118.2 68 15 12 3 19 193 0 0 0.73 .289 0.83 7.9 100
2025 Seattle (DSL) - R 18 3 3 0 0 0 0.96 18.2 16 2 2 0 2 24 0 0 0.96 .340 1.01 1.2 465
2026 Everett - A 19 3 3 2 1 0 1.66 21.2 14 5 4 1 2 14 0 0 0.74 .217 2.66 0.7 241
Total NWL 3 3 2 1 0 1.66 21.2 14 5 4 1 2 14 0 0 0.74 .217 2.66 240.6
Total DSL 3 3 0 0 0 0.96 18.2 16 2 2 0 2 24 0 0 0.96 .340 1.01 465.3
CAREER FIELDING STATS
Year/Team/League POS G GS PO A DP TC E PCT INN RNG ZR EFF PB RSTA RTO RTO%
2026 Everett - A P 3 3 1 1 0 2 0 1.000 21.2 0.83 +0.3 .955
TOTAL P 3 3 1 1 0 2 0 1.000 21.2 0.83 +0.3 .955
PLAYER HISTORY
07/11/2025 Drafted in the 2025 first-year player draft out of high school (Hackettstown High School; Hackettstown, NJ) by the Seattle Mariners. (Round 1, Pick 12, 12th overall pick).
07/20/2025 Signed a minor league contract with the Seattle Mariners organization with a signing bonus of $9,900,000.
07/23/2025 Injured on 07/22/2025, diagnosed with a stiff back, is day-to-day.
11/01/2025 Named the #12 prospect in the MLB
01/01/2026 OSA scouting updated ratings (potential): Stuff: 20 (55); Movement: 45 (75); Control: 40 (80).
02/16/2026 Unsuccessfully completed training to increase his velocity at the Seattle Mariners development complex.
03/24/2026 Named the #15 prospect in the MLB
Tuesday, March 31st , 2026 - OOTP Baseball 26.8 Build 82