By Chris Smith NYCFC interim head coach Nick Cushing has revealed his side should receive a double fitness boost with the returns of Talles Magno and Tayvon Gray for their MLS Cup Playoffs clash with CF Montreal. The reigning champions made a successful start to the defense of their title with a comfortable 3-0 win over Inter Miami in Round One. However, Sunday’s clash away in Montreal will be a whole new test, facing a side that finished one place and 10 points ahead of them in the Eastern Conference standings. NYCFC had to battle past Miami without key forward Talles Magno – who scored seven…