The 49ers sit around 79% at home with the spread near minus a touchdown-and-a-half, and the gap between the teams is stark. San Francisco is 2-0 averaging 31 points a game, eighth in yards, while Arizona is 1-1 scoring 16.5 and ranking in the twenties on offense. Purdy's health has been the season-long variable for San Francisco, so his status governs both the spread and the total near 47. Arizona has covered as a road underdog in this series before, and a Brissett-led offense that protects the ball can hang around. The Cardinals sitting plus-two in turnovers is the one number that keeps a blowout from being automatic.
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