Justin Ellis helps US cap a perfect international window with 1-0 win over Canada

A chippy and at times ugly friendly nonetheless gave Mauricio Pochettino’s side four wins out of four, with another young player making the difference.

Before 1878, a referee trying to get players’ attention was left to waive a white handkerchief in the air. It was an imperfect practice, asking an infractor to be self-aware enough to look for a doffed doily after hard contact. The game forever changed when Joseph Hudson, a Birmingham-bred tool maker who founded Acme Whistles,…