Because of the injury , The World 's Strongest Man was pulled from the September 1 live event at Washington , D.C. 's Verizon Center .
Henry sustained a right hamstring injury during an August 31 live event at Boston , Massachusetts 's TD Garden .
Because of the injury , Henry         was pulled from the September 1 live event at Washington , D.C. 's Verizon Center .
Henry sustained a right hamstring injury during an August 31 live event at Boston , Massachusetts 's TD Garden .