Tulis hiji tuluyan pikeun paragraf ieu - Hernández umpired di Seri Dunya di 2002 jeung 2005, kitu ogé di All-Star Game di 1999, 2009, jeung 2017. Manéhna geus jadi wasit dina tujuh Liga Championship Series (2000, 2001, 2003, 2004
, 2007, 2010, 2016), sarta dina sabelas Liga Divisi Series (1997, 1998, 2002, 2005, 2009, 2011, 2012, 2015, 2017, 2018, 2020). Hernández ogé digawé Game 7 tina 2008 ALCS salaku tatu ngeusian-di keur Derryl Cousins. Pikeun satengah kadua usum bisbol 2011, Hernández dipindahkeun ti kru umpiring Joe West ka kru Gerry Davis.