Having appointed their former talisman, Wayne Rooney as head coach, Victor Wanyama is wary of an out-of-form DC United when his CF Montréal side face them in the Major Soccer League (MLS) on Sunday.Rooney who turned out for DC United from 2018 to 2019 took over from Chad Ashton, who has been in the interim since April 20 following the dismissal of Hernan Losada.Kenyan midfielder scores for Bundesliga side CologneHaving failed to win their last four games, Wanyama admitted that coming up against an off-color DC United will not be a walk in the park as they will have to put their best foot forward.“It’s even more dangerous to play against a struggling team than against a team in good shape. We approach this match seriously knowing that it could be difficult for us,” Wanyama told Radio Canada.##NAJAVA_MECA_6520604##Montréal turned a corner after putting an end to their two-game losing streak by beating fellow Canadian side FC Toronto last time out which put them on course for a playoff spot.After appointing a new coach, Montréal head coach Wilfried Nancy acknowledged that they will face a team using a new more defensive system with DC United looking to overwrite their poor form.Kenyan international Ovella Ochieng reports South African side to FIFA“There is a new coach, a new team. DC was a team that was direct, that played in a very clear system. Now they have changed their system. They play in a certain way to defend, in a certain way to attack. It’s a new match, a new dynamic. It’s going to be a tough match,” said Nancy.