 On October 18, Guy scored a hat trick in a 3–1 win over Shamrock Rovers in the South-Dublin derby.In 2009, Guy helped guide St. Pat's past Valletta F.C.& Krylia Sovetov Samara in the 2009-10 UEFA Europa League 2nd & 3rd qualifying rounds, however Guy's St. Pat's side lost to FC Steaua Bucureşti in the play-off round 5–1 on aggregate.