The XFL has to put their games on ESPN2 from now on. In week 4, both the St. Louis game and DC Defenders game had over 550k fans watching their game.
Their Saturday Night games however had a noticeable drop. In week 3, FX actually brought in 528k viewers for the Seattle-Vegas game, but this week the Houston and Orlando game barely broke 400k while the Seattle game at night only hit around 340k viewers.
The XFL is super competitive, and I would be willing to bet that if you added in the ESPN plus ratings the numbers would skyrocket to close to 1 million each game.