Former Manchester United striker, Dimitar Berbatov has named Anderson as the worst trainer during his time at the club.
The Bulgarian also rated ex-captain, Gary Neville as the best trainer.
According to Berbatov, Anderson regularly “p*****” him off during their training sessions.
Berbatov shared a dressing room with Neville and Anderson during a successful four-year stint at Old Trafford, during which the Red Devils won two Premier League titles, the Champions League, two League Cups, and the Club World Cup between 2008 and 2012.
“The worst trainer… I must say Anderson. Although he had a lot of quality and talent and was really good on his day, at training sessions, he really p****d me off sometimes.
“Like I maybe used to p*** some players off, Anderson used to p*** me off,” Berbatov said while speaking on behalf of BetFred.
Anderson made 181 appearances for United, between 2007 and 2015.