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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 AB R H 2B 3B HR RBI BB SO OBP SLG AVG OPS HBP SB CS
Matt Costanza, EBE 2020 13 39 13 20 5 0 0 15 8 2 .612 .641 .513 1.253 2 4 2
Bryan Curran, Mck 2011 22 77 31 45 7 2 4 25 6 10 .609 .883 .584 1.492 2 16 1
Brandon Grover, cht 2020 8 16 8 5 2 1 0 3 12 7 .607 .563 .313 1.170 0 7 1
Matt Costanza, Mck 2018 27 88 35 44 10 2 0 20 19 6 .600 .659 .500 1.259 3 13 2
Billy Uberti, Bbr 2014 23 71 16 36 6 0 2 16 16 6 .598 .676 .507 1.274 0 0 0
David Appelbaum, R-sab 2020 11 22 16 9 3 0 0 3 6 2 .594 .545 .409 1.139 4 2 0
Jason Lewis, Sbo 2004 23 64 19 29 3 3 0 16 18 6 .593 .594 .453 1.187 4 3 0
Bobby Barrett, Sal 2016 23 74 19 40 5 1 0 21 7 10 .590 .635 .541 1.225 2 11 0
Jay Shatto, Dod 2012 21 56 15 24 3 2 0 10 18 12 .590 .554 .429 1.143 4 5 1
Russell Boudreau, Mck 2021 19 52 13 26 5 0 1 16 11 7 .585 .654 .500 1.238 1 17 1
John Kostas, Alt 2016 29 65 26 26 3 0 0 18 27 9 .581 .446 .400 1.027 1 2 0
Tony Iafolla, Roc 2017 26 68 24 28 7 1 5 27 24 11 .579 .765 .412 1.344 3 0 0
Teddy Schoenfeld, R-Mck 2021 27 85 33 42 6 7 0 12 14 11 .574 .729 .494 1.304 2 23 3
James Katsiroubas, Alt 2010 30 94 31 42 11 2 0 17 24 12 .573 .606 .447 1.179 5 20 4
Thomas Englehardt, Roc 2014 22 71 28 36 8 1 7 30 11 6 .571 .944 .507 1.515 1 2 1
Ted Dziuba, Sal 2014 32 90 31 38 4 1 2 25 31 9 .569 .556 .422 1.125 1 6 0
Chris Malloy, Alt 2005 30 83 23 33 11 0 0 24 26 14 .569 .530 .398 1.099 7 7 2
Matt Rothermel, Alt 2023 22 63 17 30 7 1 0 16 13 9 .568 .619 .476 1.187 3 4 1
Freddi Carrera, Sav 2011 30 95 38 47 5 4 0 21 10 5 .568 .632 .495 1.199 6 25 1
Jay Shatto, Dod 2006 29 85 32 35 5 2 0 12 17 18 .561 .518 .412 1.079 12 28 3
James Katsiroubas, Alt 2015 29 81 33 33 12 1 6 17 21 14 .560 .802 .407 1.362 7 5 0
Chris Hartery, Roc 2015 23 66 21 30 7 0 4 21 12 13 .558 .742 .455 1.301 6 1 0
Cam Plank, Alt 2022 22 79 23 40 9 1 2 26 9 8 .557 .722 .506 1.278 0 8 0
Wilson Mercado, ebk 2012 28 83 21 40 2 3 2 28 11 5 .554 .651 .482 1.205 5 2 2
Cole Whitehouse, Bri 2021 17 54 21 26 7 2 2 29 9 11 .554 .796 .481 1.350 1 4 0
Andrew Mazzone, Bri 2020 14 39 11 20 6 1 2 11 5 3 .553 .872 .513 1.425 1 0 0
Giovanni Torres, R-Bri 2021 23 69 28 27 5 0 0 15 19 14 .553 .464 .391 1.017 6 4 0
Marc DesRoches, Sal 2009 26 68 13 31 4 0 1 26 14 6 .553 .559 .456 1.112 2 0 0
Chris Hartery, Roc 2012 32 85 33 32 12 2 2 20 26 11 .553 .635 .376 1.188 10 2 1
Kenny Polanco, sab 2020 11 32 16 16 3 0 0 9 4 1 .553 .594 .500 1.146 1 2 0
Sean Glavin, Roc 2015 11 26 10 8 1 1 0 8 13 8 .550 .423 .308 .973 1 0 0
Liam Keblin, R-Bbr 2022 16 55 16 23 2 2 0 12 16 7 .549 .527 .418 1.077 0 7 3
Tony Iafolla, Wal 2008 25 83 21 38 10 1 1 23 16 13 .549 .639 .458 1.188 2 0 0
Ted Dziuba, Sal 2013 33 91 20 38 9 1 3 29 29 9 .548 .637 .418 1.186 1 4 1
Marc Crovo, Mad 2008 23 45 19 12 4 0 0 5 27 12 .548 .356 .267 .904 1 6 2
Steve Lambert, Alt 2010 31 106 30 48 8 5 3 29 19 16 .547 .708 .453 1.254 3 18 5
Julian Alvarez, Ast 2015 23 70 30 33 3 1 4 18 13 14 .547 .714 .471 1.261 1 2 0
Kent Graham, R-Sbo 2013 27 79 20 35 5 2 2 18 17 11 .545 .633 .443 1.178 2 10 1
Kenny Luongo, R-Mad 2007 32 100 27 43 11 0 1 24 18 23 .544 .570 .430 1.114 7 0 0
Justine Makisimu, Bri 2023 22 65 36 23 4 0 1 8 21 6 .543 .462 .354 1.005 6 24 1
Jonathan  Pollard, mal 2010 24 54 23 18 4 0 1 15 26 6 .543 .463 .333 1.006 0 3 0
Elijah Perez, R-EBE 2021 18 48 18 16 3 0 2 12 22 13 .543 .521 .333 1.064 0 9 1
Tony Iafolla, Roc 2012 23 71 21 33 5 1 1 18 12 8 .542 .606 .465 1.148 0 3 0
Luis Rodriguez, Roc 2013 25 80 29 36 8 0 1 23 12 3 .542 .588 .450 1.129 4 25 3
Patrick Walsh, Bbr 2004 28 61 20 21 3 0 0 11 21 8 .540 .393 .344 .934 5 1 0
Connor Reinfurt, Mck 2011 25 74 17 36 11 1 2 25 8 5 .539 .743 .486 1.283 4 6 0
Andrew Lindquist, R-Bbr 2017 24 74 21 33 6 0 0 13 14 18 .538 .527 .446 1.065 2 6 1
Freddi Carrera, Alt 2016 29 97 30 41 7 1 1 29 20 10 .537 .546 .423 1.083 5 20 3
Ted Dziuba, Sal 2017 27 82 29 32 6 1 3 33 26 7 .536 .598 .390 1.134 1 6 1
David Lightbody, Sbo 2014 17 51 15 19 8 0 1 9 16 11 .536 .588 .373 1.124 2 1 0

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- Showing All-Time LEAGUE Single Season Batting stats.
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