No Premier League outfit is immune from the odd FA Cup shock, but with West Ham producing a string of exemplary defensive performances in recent matches, Moyes's men should experience little trouble en route to the fourth round.
Bristol City's failure to make the net bulge against Millwall means it is now back-to-back games without scoring for the Robins, who have not beaten the Irons since 1978 and should be kept waiting for their next such success.
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Data Analysis
Our analysis of all available data, including recent performances and player stats up until an hour before kickoff, suggested the most likely outcome of this match was a West Ham United win with a probability of 45.88%. A win for Bristol City had a probability of 28.05% and a draw had a probability of 26.1%.
The most likely scoreline for a West Ham United win was 1-0 with a probability of 11.37%. The next most likely scorelines for that outcome were 2-1 (9.1%) and 2-0 (8.36%). The likeliest Bristol City win was 0-1 (8.43%), while for a drawn scoreline it was 1-1 (12.39%). The actual scoreline of 1-1 was predicted with a 12.4% likelihood.
-0.44) 
0.1) 
