 Nyorai kuenderera mberi kweiyi ndima - Jansen akatanga 2013 semunhu anogadzira mu bullpen asi akatangazve basa iri padhuze apo League yakatambura. Akanga ari mumitambo 75 aine 43 rekodhi, 1.88 ERA uye 28 inochengetedza. Haana kubvumidza chero run, mumitambo mitatu mu2013 National League Division Series NLDS vachipesana neAtlanta Braves asi aive asinganyanyo shanda muChampionship SeriesNLCS vachipesana neCardinals, vachibvumira kumhanya kuviri mumainings maviri. 