 |  | 03/01/2020 |  | | | | | | | | | | |  | Liberty League Award Winners | | | | | | | | | |
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| Year | Iron Closer | | 1985 LL | () | | | | | 1986 LL | () | | | | | 1987 LL | () | | | | | 1988 LL | () | | | | | 1989 LL | () | | | | | 1990 LL | () | | | | | 1991 LL | () | | | | | 1992 LL | () | | | | | 1993 LL | () | | | | | 1994 LL | () | | | | | 1995 LL | () | | | | | 1996 LL | () | | | | | 1997 LL | () | | | | | 1998 LL | () | | | | | 1999 LL | () | | | | | 2000 LL | () | | | | | 2001 LL | () | | | | | 2002 LL | () | | | | | 2003 LL | () | | | | | 2004 LL | () | | | | | 2005 LL | () | | | | | 2006 LL | () | | | | | 2007 LL | () | | | | | 2008 LL | () | | | | | 2009 LL | () | | | | | 2010 LL | () | | | | | 2011 LL | () | | | | | 2012 LL | () | | | | | 2013 LL | () | | | | | 2014 LL | () | | | | | 2015 LL | () | | | | | 2016 LL | () | | | | | 2017 LL | () | | | | | 2018 LL | Mauro Cruz (NO) | | | 6-1, 44 SV, 1.23 ERA, 73.0 IP, 102 K, 29.4 VORP | | 2019 LL | César Villarreal (DET) | | | 11-5, 39 SV, 2.08 ERA, 86.2 IP, 125 K, 28.3 VORP | | |
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