Ferdinand has found himself sidelined at Old Trafford and for England recently.
“When you look at what has happened to Rio over the last few weeks, we have to remember this is a player who played in most of the big games last season, helped us win the Premier League title and reach the Champions League final, and yet after one game people are saying he is not good enough any more.
“I think this is wrong and Rio showed that [against Sunderland].”