Roberto Martinez was widely lauded for his astute usage of the loan market last season, where the arrival of Romelu Lukaku, Gerard Deulofeu and Gareth Barry made a huge impact in Everton’s fine campaign. While Lukaku and Deulofeu may have taken most of the headlines due to their exciting attacking prowess, it was Barry who was arguably the most integral loan signing for the Toffees. The midfielder played a crucial…