2003 kerry wood pitcherrightapril 8, 1999 brandon workman pitcherrightjune 15, 2015 tim worrell pitcherrightmay 12, 1994 todd worrell pitcherrightdecember 1, 1989 kirby yates pitcherright2006march 24, 2021 tyler yates pitcherright2002july 16, 2009 víctor zambrano pitcherright1996may 15, 2006 jeff zimmerman pitcherright20022004 jordan zimmermann pitcherrightaugust 2009 joel zumaya pitcherrightmarch 2012 denotes a player that underwent the surgery on his non-throwing arm.