Nyorai kupfuurira kweiyi ndima - mwaka wakabudirira waRosenthal we rookie wakaendeswa kumwaka we postseason, uchimuita anokosha mumutambo weCardinals wekutamba sezvo vaida rubatsiro rwe bullpen. Mumutambo wake wekutanga wekutamba neWashington Nationals muNational League Division Series (NLDS), akarova divi, achibvisa Jayson Werth, Bryce Harper, naAdam LaRoche achibvumira imwe chete kuna Ryan Zimmerman. Mimwe mitambo mitanhatu isina zvibodzwa yakatevera sezvo maCardinal akaenderera mberi kuenda kuNational League Championship Series
(NLCS). Pamwe chete, Rosenthal akarova gumi nevashanu vevatambi makumi matatu vakatarisana mu2012 playoffs.