This trophy used to be decided by the umpires whereby after each game, they'd vote for who they thought had the best defensive game. The overall winner was whoever amassed the most weekly wins.

1985-86 S Backhouse
1986-87 D Barker
1987-88 G Aspden
1988-89 V Thompson
1989-90 D Gregory
1990-91 S Freeman
1991-92 D Nuttall
1992-93 D Ball
1993-94 D Nuttall
1994-95 D Barker
1995-96 S Bamber
1996-97 S Jenkinson
1997-98 E Bond & N Oddie
1998-99 L Backhouse
1999-00 L Smith & D Reilly
2000-01 L Smith
2001-02 L Smith
2002-03 K White
2003-04 L Parkinson
2004-05 E Smith, 2nd XI - M Crofts
2005-06 S Skelton, 2nd XI - Crofts
2006-07
2007-08
2008-09
2009-10
2010-11
2011-12
2012-13
2013-14
2014-15
2015-16
2016-17 Charlotte Willis
2017-18 Katie Stevens
2018-19 Georgie Brumwell
2019-20 Harriet Price
2020-21 - No awards due to COVID
2021-22 Maisie Rogers
2022-23 Megan Ditchfield
2023-24 Emma Whiteside