Mason Miller ATH RP R 

Born: 08/24/1998 Age: 26

FanGraphs Player Page

2025 OPL OPL Player Page

Signed By

Baby Sharks for $9

On MLB 40-man: YES
Acquired: Drafted 3rd Rd (97) '21

Fri 6/27 Sat 6/28 Sun 6/29
@NYY 7:05 PM EDT @NYY 1:05 PM EDT @NYY 1:35 PM EDT

Positions
RP
2026 Earned Positions
RP

All Leagues
Average $12.08 Median $12.00
Old School (5x5)
Average $13.62 Median $13.00

All Leagues
Average $17.50 Median $18.00
Old School (5x5)
Average $17.00 Median $19.00

Roster%
99.69%
Change
7Day 0%
30Day 0%

2025 OPL 2025 OPL Round 3
OPL Roster%
8.00%
OPL Average Salary
$9.25


June 25, 2025 9:34 PM : Miller earned the save in Wednesday's 3-0 win over the Tigers, striking out two in a perfect ninth inning.
Analysis: Miller made quick work of the heart of Detroit's batting order Wednesday, striking out Riley Greene and Spencer Torkelson en route to his 15th save this season. It's been an up-and-down season thus far for Miller, though he's been sharp recently, allowing just one run on two hits while striking out eight in his last five appearances (5.1 innings). Overall, Miller sports a 4.85 ERA with a 1.15 WHIP and 49 strikeouts across 29.2 innings this year.

MLB Stats

Pitching

YearTeamGGSIP WINS SV K ERA WHIP
2023ATH10633.100383.780001.20000
2024ATH55065.02281042.492310.87692
2025ATH29029.2115494.853931.14607

MILB Stats

Pitching

YearTeamGGSIP WINS SV K ERA WHIP
2021OAK (CPX)326.00091.500001.16667
2022OAK (CPX)112.00050.000000.00000
2022OAK (A+)337.000133.857140.71429
2022OAK (AAA)225.00075.400001.20000
2023OAK (A)223.20044.909091.36364
2023OAK (AA)113.20084.909090.54545
2023OAK (AAA)4412.010230.000000.50000

Recent Games

Last 10 MLB Games

DateTeamOpponentGSWinSaveHoldIPTBF RERHKBBHBPHR
Jun 25, 2025 ATH @DET 0 0 1 0 1.0 3 0 0 0 2 0 0 0
Jun 20, 2025 ATH CLE 0 0 0 0 1.0 4 0 0 0 1 1 0 0
Jun 19, 2025 ATH HOU 0 0 0 0 1.1 6 1 1 2 1 0 0 1
Jun 16, 2025 ATH HOU 0 1 0 0 1.0 3 0 0 0 2 0 0 0
Jun 15, 2025 ATH @KCR 0 0 1 0 1.0 4 0 0 0 2 0 0 0
Jun 13, 2025 ATH @KCR 0 0 0 0 1.0 6 3 3 1 1 2 0 0
Jun 8, 2025 ATH BAL 0 0 0 0 1.0 3 0 0 0 0 0 0 0
Jun 6, 2025 ATH BAL 0 0 1 0 1.2 6 0 0 0 3 1 0 0
Jun 5, 2025 ATH MIN 0 0 0 0 1.0 3 0 0 0 0 1 0 0
May 31, 2025 ATH @TOR 0 0 0 0 1.0 3 0 0 0 1 0 0 0
Totals 0 1 3 0 11.0 41 4 4 3 13 5 0 1

Last 10 MILB Games

DateLevelTeamOpponentGSWinSave IPTBFRERHKBBHBPHR
Sep 2, 2023 AAA LV SL 1 0 0 3.0 9 0 0 0 4 0 0 0
Aug 29, 2023 AAA LV SL 1 0 0 1.0 5 0 0 0 3 2 0 0
Aug 24, 2023 AAA LV @TAC 1 0 0 3.0 12 0 0 3 5 1 0 0
Aug 20, 2023 A STK SJ 1 0 0 1.2 9 2 2 3 2 1 0 1
Aug 16, 2023 A STK SJ 1 0 0 2.0 6 0 0 0 2 1 0 0
Totals 5 0 0 10.2 41 2 2 6 16 5 0 1

Avg Salary & Roster%

Last 30 days

2026 Position Eligibility Progress

To gain eligibility, a player must have 5 GS or 10 G at a position in the majors, or 20 G at a position in the minors.

Transaction History

Date Transaction Type Team Salary
April 17, 2023 10:08 PM add Baby Sharks $4
October 12, 2023 11:40 AM increase Baby Sharks $6
October 10, 2024 12:20 AM increase Baby Sharks $8
November 15, 2024 12:07 AM increase Baby Sharks $9

Recent Trades for Mason Miller in Old School (5x5)

Date Proposing Team Proposing Team Gives Accepting Team Accepting Team Gives
June 25, 2025 11:38 PM The Schwelly Shawshank Redemption Shane Baz TBR SP R $8 
Oneil Cruz PIT SS/OF L $34 
Mason Miller ATH RP R $23 
 Grace's Heaters Mookie Betts LAD 2B/SS/OF R $54
Ryan Pepiot TBR SP R $8 
Tanner Bibee CLE SP R $17 
$12 loan
June 23, 2025 12:55 PM Fightin’ Philly Phrenetics Dylan Cease SDP SP R $12 
 Big Potato Mason Miller ATH RP R $16 
$4 loan
May 23, 2025 6:57 PM Big Bong Theory🙄 Michael Harris II ATL OF L $21 
Mason Miller ATH RP R $16 
 Generous Carriage Ryan Pressly CHC RP R $4
Rafael Devers BOS 3B L $42 
Andy Pages LAD OF R $1 
$4 loan
May 17, 2025 7:46 AM Diamond Dogs Mason Miller ATH RP R $18 
$9 loan 		Miami Chops Masyn Winn STL SS R $6 
Hunter Goodman COL C/OF R $1 
Hagen Smith CHW AA SP L $2
May 8, 2025 7:39 AM Janitors CJ Abrams WSN SS L $14 
 Alabama Hotpockets Mason Miller ATH RP R $25 
April 17, 2025 4:01 PM Amity Summer Kings 🦈 Walker Buehler BOS SP R $4 
Cam Smith HOU 3B/OF R $7 
 RollingWoba Pete Crow-Armstrong CHC OF L $13 
Mason Miller ATH RP R $26 
$20 loan
April 16, 2025 10:15 AM Sandlot Legend Mason Miller ATH RP R $13 
 Rock River Sharks 🦈 Tommy Kahnle DET RP R $6
Jhoan Duran MIN RP R $14 
Seth Halvorsen COL RP R $4 
$11 loan
April 8, 2025 4:16 PM THE ⚾️ GAME !! Evan Carter TEX OF L $5 
Marcelo Mayer BOS SS/3B L $3 
Kristian Campbell BOS AAA 2B/SS/OF R $22 
 Big Papi memories Emmanuel Clase CLE RP R $22 
Pete Crow-Armstrong CHC OF L $6 
Mason Miller ATH RP R $14 
$12 loan
March 26, 2025 10:51 AM Gil Turn (Andy) Dylan Cease SDP SP R $26 
Reese Olson DET AAA SP R $9 15IL 
 There's No Carroll in HR (DC) Bo Bichette TOR SS R $19 
Ranger Suarez PHI SP L $3 
Mason Miller ATH RP R $15 
$5 loan
January 26, 2025 5:43 PM Black Sox Fernando Tatis Jr. SDP OF R $48 
 Heart of Darkness Mason Miller ATH RP R $17