By the time Algieri crumpled to the canvas , referee Benjy Esteves stepped in .
By the time Algieri crumpled to the canvas , referee Benjy Esteves waved an end to the bout at the 48 - second mark .
By the time Algieri crumpled to the canvas , referee Benjy Esteves stepped in and waved an end to the bout at the 48 - second mark .