 Nyora kupfuurira kweiyi ndima - Mu2013 U.S. Open, Horschel akabata hutungamiri pamwe chete naPhil Mickelson, pakati pechikamu chemutambo. Achitamba mumutambo wake wokutanga mukuru semutambi, akanga ari mumwe wevatambi vaviri chete pasi pepar mushure mekutenderera kwechipiri, achirova 18 yose yeMerion greens mumutemo. Akapfura mavhiri e7274 mukupera kwevhiki kuti apedze pa5-pamusoro-par yemutambo uye kurohwa mana shure kwemukundi wekupedzisira Justin Rose. Horschel akapedza T4 mumutambo wake wokutanga mukuru semhizha uye akakwira kusvika 34th munyika yose uye 4th muFedEx Cup. 