Trent Richardson scores touchdown, flagged for unsportsmanlike conduct Unknown 01:53 Trent Richardson impressed with an early touchdown run in his AAF debut, but was subsequently flagged for unsportsmanlike conduct. Share this Share on FacebookTweet on TwitterPlus on Google+ Related PostsMan United Stars Face the Axe Jose Mourinho Fumes Over PerformanceRussia Willing to Cooperate With FIFA Probe Into Racist ChantsPV Sindhu Writes Emotional Letter After Loss to Saina Nehwal in CWG FinalWorld Number 1 Rafa Nadal Takes a Dig at Roger Federer for Skipping Clay Court SeasonKevin de Bruyne Eyes Manchester City Dominance After TitleGaurav Gill to drive in World Rally Championship 2 with Team MRF