While Millwall have been defensively vulnerable this season, they have at least been strong from an offensive perspective, and they could threaten Leyton Orient's goal on Tuesday.
It would not be surprising if the Championship side took an early lead, and if the visitors struggled to get back into the game against their higher-tier opponents.
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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 Millwall win with a probability of 37.35%. A win for Leyton Orient had a probability of 35.51% and a draw had a probability of 27.1%.
The most likely scoreline for a Millwall win was 1-0 with a probability of 10.55%. The next most likely scorelines for that outcome were 2-1 (8.1%) and 2-0 (6.64%). The likeliest Leyton Orient win was 0-1 (10.23%), while for a drawn scoreline it was 1-1 (12.87%). The actual scoreline of 0-1 was predicted with a 10.2% likelihood.
-0.22) 
0.26) 
