Fujin needs to ask Guy to teach him a way to fight opponents by looking only at their legs. Otherwise, Itachi will defeat him with a wave of his finger.
all of you who are talking about itachi and fugaku power levels are dumb. wake up people fujin is only giving official statements not his personal opinions. so according to official statements itachi killed his clan Alone and fugaku only had 3tomoe sharingan no mangekyo period.