SHEFFIELD, England -- In the encyclopaedia of sporting truisms, the section about luck will be bigger than most. Fortune will be explained away with sayings like "you make your own luck" or "the more I practice, the luckier I get" etc, and so on, and so forth.

Luck is obviously a difficult thing to define -- something the ESPN Luck Index tries to do -- but however you characterise it Liverpool were lucky to maintain their perfect start to the season in their 1-0 win over Sheffield United. This...

Sheffield United manager Chris Wilder said his goalkeeper Dean Henderson will have to do better after gifting Premier League leaders Liverpool the only goal in their 1-0 victory at Bramall Lane on Saturday.

There seemed no obvious danger in the 70th minute when Liverpool midfielder Georginio Wijnaldum shot hopefully from the edge of the area. Even though Henderson did not appear obviously unsighted, he somehow allowed the ball to spill between his hands and under his legs in an embarrassing howler...