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Isaac Mattson

Isaac Mattson

Seattle Mariners
P
Age: 31
Bats/Throws: R/R
6'2" / 214
DOB: 7/14/1995
(31 years, 3 months, 27 days)
P
Player Dashboard:
Season20262027Total
TeamPITFGDC- - -
LevelMLBPROJMLB
G383089
GS000
IP38.230.096.0
K%20.5%23.5%21.4%
BB%10.2%9.9%11.2%
GB%27.1%28.6%
ERA5.353.963.94
FIP3.724.203.79
WAR0.30.01.0
2026 Pitch
Selection
FA:70%
SL:19%
CH:10%
RosterResource
How Acquired:Waivers (PIT) Nov'26
Draft:2017, Rd: 19, Pick: 10, Ovr: 565
Draft Team:Los Angeles Angels
Signing Bonus:$100,000
School:Pittsburgh
Contract1 yr, $792.4k (2026) (RR)
Pre-Arbitration
AAV: $792k
Service Time
0.161
MiLB Options
1
Free Agent
2032
Arb Eligible
2028
News
Rotowire: The Mariners claimed Mattson off waivers from the Pirates on Monday, Colin Beazley of the Pittsburgh Post-Gazette reports. (11/2/2026)
FG
2/22/26
FG
2/9/22
FG
3/3/21
FG
2/5/20
FG
12/5/19
FG
8/16/19
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FG
RG
Show
Season20262027Total
TeamPITFGDC- - -
LevelMLBPROJMLB
G383089
GS000
IP38.230.096.0
K%20.5%23.5%21.4%
BB%10.2%9.9%11.2%
GB%27.1%28.6%
ERA5.353.963.94
FIP3.724.203.79
WAR0.30.01.0
2026 Pitch
Selection
FA:70%
SL:19%
CH:10%
RosterResource
How Acquired:Waivers (PIT) Nov'26
Draft:2017, Rd: 19, Pick: 10, Ovr: 565
Draft Team:Los Angeles Angels
Signing Bonus:$100,000
School:Pittsburgh
Contract1 yr, $792.4k (2026) (RR)
Pre-Arbitration
AAV: $792k
Service Time
0.161
MiLB Options
1
Free Agent
2032
Arb Eligible
2028
News
Rotowire: The Mariners claimed Mattson off waivers from the Pirates on Monday, Colin Beazley of the Pittsburgh Post-Gazette reports. (11/2/2026)
FG
2/22/26
FG
2/9/22
FG
3/3/21
FG
2/5/20
FG
12/5/19
FG
8/16/19
More Articles
News Settings
Article Source
All
FG
RG
Show
Quick Links
More

Splits

Season:
2026
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    • We've added new stat fields to Splits and changed the interface. If you are looking for a stat, please use the controls above to find Advanced, Batted Ball, and new stats! You can report bugs and submit feature requests here.

    Standard

    SeasonHandednessIPERATBFH2B3BRERHRBBIBBHBPSOAVGOBPSLGwOBA
    2026vs L19.2- - -922511015152110017.313.391.525.395
    2026vs R19.0- - -84194088170119.250.321.342.300
    SeasonHome / AwayIPERATBFH2B3BRERHRBBIBBHBPSOAVGOBPSLGwOBA
    2026Home24.05.251102711014140120122.278.364.392.338
    2026Away14.25.5266174099360014.288.348.508.368
    2026Home vs L12.0- - -5715901010080010.306.404.490.391
    2026Home vs R12.0- - -53122044040112.250.321.292.282
    2026Away vs L7.2- - -3510205523007.323.371.581.402
    2026Away vs R7.0- - -317204413007.250.323.429.330
    SeasonMonthlyIPERATBFH2B3BRERHRBBIBBHBPSOAVGOBPSLGwOBA
    2026Mar/Apr16.23.7872152077090012.242.333.274.283
    2026May3.06.00154402201013.308.400.615.432
    2026Jun6.01.50222001112007.100.182.250.197
    2026Jul9.09.0047176099240011.395.447.674.478
    2026Aug2.04.50102101102001.250.400.375.355
    2026Sept/Oct2.013.50104203300002.400.400.600.430
    20261st Half30.24.40134308015153140126.254.336.398.326
    20262nd Half8.09.0042147088040010.368.429.553.425
    SeasonLeverageIPERATBFH2B3BRERHRBBIBBHBPSOAVGOBPSLGwOBA
    2026Low Leverage22.2- - -113299016163150124.299.398.485.388
    2026Medium Leverage10.2- - -4411405503009.268.318.366.304
    2026High Leverage5.1- - -194202200003.222.211.333.226
    SeasonSituationalIPERATBFH2B3BRERHRBBIBBHBPSOAVGOBPSLGwOBA
    2026Bases Empty16.0- - -771970111100017.284.377.433.359
    2026Men on Base22.2- - -9925802222280119.281.343.438.342
    2026Men In Scoring14.0- - -6516601818070115.286.369.393.340
    SeasonThrough CountIPERATBFH2B3BRERHRBBIBBHBPSOAVGOBPSLGwOBA
    2026Through 3 - 00.1- - -1121033080101.0001.0001.500.770
    2026Through 3 - 10.2- - -1310000010000.333.846.333.606
    2026Through 3 - 23.2- - -202000008006.167.500.167.368
    2026Through 2 - 03.2- - -2860022010011.353.607.353.466
    2026Through 1 - 014.0- - -721660771140111.286.431.446.391
    2026Through 2 - 17.1- - -367201107007.241.389.310.329
    2026Through 1 - 113.2- - -64175099080019.304.391.393.353
    2026Through 0 - 119.1- - -8222501313240025.282.317.423.324
    2026Through 2 - 212.1- - -4996033050017.205.286.341.280
    2026Through 1 - 214.2- - -57114099130022.204.246.333.255
    2026Through 0 - 211.0- - -3852055100016.132.132.263.167
    SeasonSP / RPIPERATBFH2B3BRERHRBBIBBHBPSOAVGOBPSLGwOBA
    2026As Reliever38.25.351764415023233180136.282.358.436.349
    SeasonShiftsIPERATBFH2B3BRERHRBBIBBHBPSOAVGOBPSLGwOBA
    2026No Shift9.0- - -399100000000.231.231.256.215
    2026Shift - All15.0- - -79321400000000.410.405.590.426
    2026Shift - Traditional12.2- - -63241000000000.381.381.540.398
    2026Shift - Non Traditional2.1- - -168400000000.533.500.800.538
    SeasonTTOIPERATBFH2B3BRERHRBBIBBHBPSOAVGOBPSLGwOBA
    20261st Through Order as RP38.05.451744415023233180135.286.362.442.354
    20262nd Through Order as RP0.20.0020000000001.000.000.000.000
    SeasonHandednessIPERATBFH2B3BRERHRBBIBBHBPSOAVGOBPSLGwOBA
    2026vs L19.2- - -922511015152110017.313.391.525.395
    2026vs R19.0- - -84194088170119.250.321.342.300
    SeasonHome / AwayIPERATBFH2B3BRERHRBBIBBHBPSOAVGOBPSLGwOBA
    2026Home24.05.251102711014140120122.278.364.392.338
    2026Away14.25.5266174099360014.288.348.508.368
    2026Home vs L12.0- - -5715901010080010.306.404.490.391
    2026Home vs R12.0- - -53122044040112.250.321.292.282
    2026Away vs L7.2- - -3510205523007.323.371.581.402
    2026Away vs R7.0- - -317204413007.250.323.429.330
    SeasonMonthlyIPERATBFH2B3BRERHRBBIBBHBPSOAVGOBPSLGwOBA
    2026Mar/Apr16.23.7872152077090012.242.333.274.283
    2026May3.06.00154402201013.308.400.615.432
    2026Jun6.01.50222001112007.100.182.250.197
    2026Jul9.09.0047176099240011.395.447.674.478
    2026Aug2.04.50102101102001.250.400.375.355
    2026Sept/Oct2.013.50104203300002.400.400.600.430
    20261st Half30.24.40134308015153140126.254.336.398.326
    20262nd Half8.09.0042147088040010.368.429.553.425
    SeasonLeverageIPERATBFH2B3BRERHRBBIBBHBPSOAVGOBPSLGwOBA
    2026Low Leverage22.2- - -113299016163150124.299.398.485.388
    2026Medium Leverage10.2- - -4411405503009.268.318.366.304
    2026High Leverage5.1- - -194202200003.222.211.333.226
    SeasonSituationalIPERATBFH2B3BRERHRBBIBBHBPSOAVGOBPSLGwOBA
    2026Bases Empty16.0- - -771970111100017.284.377.433.359
    2026Men on Base22.2- - -9925802222280119.281.343.438.342
    2026Men In Scoring14.0- - -6516601818070115.286.369.393.340
    SeasonThrough CountIPERATBFH2B3BRERHRBBIBBHBPSOAVGOBPSLGwOBA
    2026Through 3 - 00.1- - -1121033080101.0001.0001.500.770
    2026Through 3 - 10.2- - -1310000010000.333.846.333.606
    2026Through 3 - 23.2- - -202000008006.167.500.167.368
    2026Through 2 - 03.2- - -2860022010011.353.607.353.466
    2026Through 1 - 014.0- - -721660771140111.286.431.446.391
    2026Through 2 - 17.1- - -367201107007.241.389.310.329
    2026Through 1 - 113.2- - -64175099080019.304.391.393.353
    2026Through 0 - 119.1- - -8222501313240025.282.317.423.324
    2026Through 2 - 212.1- - -4996033050017.205.286.341.280
    2026Through 1 - 214.2- - -57114099130022.204.246.333.255
    2026Through 0 - 211.0- - -3852055100016.132.132.263.167
    SeasonSP / RPIPERATBFH2B3BRERHRBBIBBHBPSOAVGOBPSLGwOBA
    2026As Reliever38.25.351764415023233180136.282.358.436.349
    SeasonShiftsIPERATBFH2B3BRERHRBBIBBHBPSOAVGOBPSLGwOBA
    2026No Shift9.0- - -399100000000.231.231.256.215
    2026Shift - All15.0- - -79321400000000.410.405.590.426
    2026Shift - Traditional12.2- - -63241000000000.381.381.540.398
    2026Shift - Non Traditional2.1- - -168400000000.533.500.800.538
    SeasonTTOIPERATBFH2B3BRERHRBBIBBHBPSOAVGOBPSLGwOBA
    20261st Through Order as RP38.05.451744415023233180135.286.362.442.354
    20262nd Through Order as RP0.20.0020000000001.000.000.000.000