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Yawkey League
Regular Season
All-Time LEAGUE Single Season Batting | All-Time LEAGUE Single Season Pitching
2004 through 2024
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Player Year G W L T S IP H R ER BB SO ERA SOIP WHIP HB
Jon Merritt, Dod 2011 10 4 5 0 0 51.2 55 30 23 25 47 3.12 .910 1.548 1
Michael Isaia, Sav 2012 11 2 3 0 1 42.1 55 36 29 20 16 4.80 .378 1.772 7
Sean Gildea, Mad 2007 13 9 1 0 0 61.1 54 27 19 26 91 2.17 1.48 1.304 0
Ryan Dalton, Mck 2005 11 1 5 0 1 50.2 54 31 25 29 48 3.45 .947 1.638 5
Tim Dacey, Sbo 2006 11 3 4 0 0 44.2 54 47 29 14 34 4.54 .761 1.522 6
Jon Morse, Sal 2008 11 5 4 0 1 47.1 54 33 28 21 52 4.14 1.10 1.585 2
Sam Kennedy Smith, Cyc 2010 11 2 6 0 0 56.2 54 34 25 45 62 3.09 1.09 1.747 6
Nick Young, Sav 2008 11 3 3 0 0 38.2 54 36 21 22 36 3.80 .931 1.966 2
Jared Rooney, Bri 2015 8 2 3 0 0 31 54 29 25 12 19 5.65 .613 2.129 5
Kyle Breidenstine, Dod 2013 9 3 3 0 0 52 54 32 24 14 31 3.23 .596 1.308 13
Kyle Darrow, Bbr 2010 10 2 5 0 0 48.1 54 47 30 22 48 4.34 .993 1.572 6
Jon Merritt, Dod 2012 11 3 5 0 0 54.2 54 31 23 24 59 2.95 1.08 1.427 2
Joseph Ortiz, Ast 2011 11 0 5 0 0 31.2 54 45 38 29 36 8.40 1.14 2.621 7
Brendan Fleming, Wal 2010 8 2 4 0 0 45.2 54 33 24 26 39 3.68 .854 1.752 8
Jonathan Matos, Ast 2015 11 5 4 0 0 51 54 43 33 36 51 4.53 1.00 1.765 3
Stephen Shortle, R-Wal 2014 8 2 6 0 0 40 54 38 32 18 30 5.60 .750 1.800 1
Greg Dubela, sab 2015 11 7 1 0 0 55.2 54 24 12 20 45 1.51 .808 1.329 1
Shaun Farrar, Dod 2004 11 3 4 1 1 49.1 53 35 23 24 43 3.26 .872 1.561 6
Shaun Farrar, Dod 2006 10 4 2 0 2 53.2 53 30 18 12 45 2.35 .839 1.211 5
Jon Morse, Sal 2007 8 6 1 0 0 50.1 53 22 14 10 56 1.95 1.11 1.252 1
Brian Cosentino, R-Cyc 2005 11 0 6 0 1 46 53 34 25 33 40 3.80 .870 1.870 6
Talal Saleh, Mad 2007 10 6 3 0 0 61 53 27 16 28 59 1.84 .967 1.328 7
Mike Barthel, Mck 2009 14 6 6 0 0 65 53 35 25 26 46 2.69 .708 1.215 5
Bill Clang, Alt 2010 9 4 3 0 0 49 53 29 20 13 35 2.86 .714 1.347 6
Mike Barthel, Wal 2012 7 2 3 0 0 33.1 53 19 16 9 8 3.36 .240 1.860 1
Xael Tejada, Ast 2013 8 4 2 1 0 47.2 53 25 17 23 25 2.50 .524 1.594 3
Matthew Jayne, R-Dod 2018 10 0 5 0 0 32.1 53 51 43 32 25 9.31 .773 2.629 5
Marty Whitmore, Dod 2007 11 3 5 0 0 54.2 52 33 27 35 50 3.46 .915 1.591 8
Jon Tenney, Sbo 2006 10 2 4 0 0 45.1 52 25 15 11 57 2.32 1.26 1.390 5
Sean Morrissey, R-Mad 2005 10 3 5 0 0 54.1 52 38 30 61 48 3.87 .883 2.080 2
JT Ross, Bri 2010 13 5 3 0 2 57 52 26 16 19 72 1.96 1.26 1.246 4
Sean Gildea, Mad 2008 12 9 2 0 1 69.2 52 15 5 16 75 0.50 1.08 .976 0
Eric Lochiatto, R-Bbr 2008 9 0 4 0 2 35 52 42 34 18 26 6.80 .743 2.000 7
Branden Anderson, ebk 2011 12 3 5 0 1 50.2 52 33 19 24 62 2.63 1.22 1.500 5
Matt Bertuch, Sbo 2015 10 3 2 0 0 43.2 52 27 19 21 48 3.05 1.10 1.672 5
Connor O'Brien, cht 2016 9 2 5 0 0 45 52 30 24 19 28 3.73 .622 1.578 6
Billy Sullivan, cht 2019 14 6 4 0 0 55.1 52 28 8 11 74 1.01 1.34 1.139 0
Leo Frisella, R-Bri 2018 9 1 3 0 0 23.1 52 36 27 20 13 8.10 .557 3.086 1
Michael McCarthy, Roc 2011 11 8 0 0 0 55 51 19 17 11 40 2.16 .727 1.127 7
Randy Casey, Jr., Cam 2004 9 1 7 0 0 46.1 51 49 34 37 45 5.14 .971 1.899 0
Randy Casey, Jr., Cam 2006 10 1 7 0 1 51.2 51 36 28 38 51 3.79 .987 1.723 6
Bill Gills, Bri 2005 9 5 1 0 0 53 51 16 9 5 44 1.19 .830 1.057 3
Tim Dacey, Sbo 2010 12 1 2 1 0 39.1 51 35 23 14 24 4.09 .610 1.653 5
DAN D'ELIA, Eas 2006 13 9 2 0 0 73.2 51 28 26 30 54 2.47 .733 1.100 4
Adam Kulis, R-Mck 2006 13 3 6 0 1 44.2 51 41 21 11 20 3.29 .448 1.388 6
Sean Sullivan, R-Mck 2006 10 3 5 0 0 43.2 51 32 14 20 60 2.24 1.37 1.626 2
Pete Lankarge, Bbr 2007 7 4 2 0 0 45 51 32 18 28 31 2.80 .689 1.756 1
Pat Griffin, R-Bri 2007 9 2 2 0 1 30.1 51 20 18 15 21 4.15 .692 2.176 0
Mark Nickerson, Sbo 2009 8 2 4 0 0 33.2 51 24 18 7 18 3.74 .535 1.723 1
Jon Sargent, R-Wal 2011 10 4 3 0 1 52 51 27 21 17 36 2.83 .692 1.308 9

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- Showing All-Time LEAGUE Single Season Pitching stats.
- ERA Calculated using 7 innings.
- Qualifying IP for ERA, WHIP, and SOIP, using innings qualifier for respective season.
- Returning up to a maximum of 200 players.