article_snippet: Marcos Rojo, Phil Jones, Jonny Evans and Michael Carrick warm-up during training on Sunday .
article_snippet: Rojo (left) and Radamel Falcao share a joke as Manchester United step up Rojo (left) and 
article_snippet: Radamel Falcao preparations for Rojo (left) and 
article_snippet: David de Gea (left), Marouane Fellaini (centre) and Luke Shaw arrive at the Aon Training Complex .
article_snippet: Red Devils centre back Chris Smalling (left) stretches out during Red Devils centre back Chris Smalling (left) side's training session .
article_snippet: Jonny Evans, pictured with Michael Carrick, took part in Sunday's training session despite Michael Carrick six-match suspension .
article_snippet: Manchester United duo Antonio Valencia and Daley Blind are Manchester United duo Antonio Valencia and Daley Blind expected to start against Arsenal .
article_snippet: United duo Jones (left) and Falcao (right) will be hoping to start against his side .
article_snippet: Wayne Rooney during United's training session at Carrington on Sunday ahead of the game .