Brunell, Evan. "Verlander wins AL Cy Young Award unanimously." Article at www.cbssports.com on November 15, 2011. [1]Archivado el 5 de enero de 2016 en Wayback Machine.
Schlueter, Roger (26 de agosto de 2011). «Fascinating facts from Thursday's games». MLB.com (MLB Advanced Media, L.P). Archivado desde el original el 27 de agosto de 2011. Consultado el 28 de agosto de 2011. «Dating back to 2010, Valverde has converted 40 consecutive opportunities. That streak is tied with Dennis Eckersley (1991-92) for the seventh longest since 1969.»
Brunell, Evan. "Verlander wins AL Cy Young Award unanimously." Article at www.cbssports.com on November 15, 2011. [1]Archivado el 5 de enero de 2016 en Wayback Machine.
webcitation.org
Schlueter, Roger (26 de agosto de 2011). «Fascinating facts from Thursday's games». MLB.com (MLB Advanced Media, L.P). Archivado desde el original el 27 de agosto de 2011. Consultado el 28 de agosto de 2011. «Dating back to 2010, Valverde has converted 40 consecutive opportunities. That streak is tied with Dennis Eckersley (1991-92) for the seventh longest since 1969.»