Rubuta ci gaba don wannan sakin layi - Messing ya lashe 2011 Coupe de Nice bayan ya sanya na farko a cikin gajeren shirin kuma na huɗu a cikin kyauta. Daga nan sai ya zama na bakwai a gasar zakarun Amurka ta 2012
, wanda zai zama mafi girman matsayinsa a matsayin babban jami'in Amurka. Ya lashe lambar tagulla a 2012 Nebelhorn Trophy, kuma ya maimaita a matsayin mai nasara a 2012 Coupe de Nice.