49ers' balanced edge against a leaky Dallas defense, but both teams are banged up

San Francisco arrives at 7-1 and Dallas sits at 4-5, and the price reflects that: the 49ers are 4.5-point favourites with a total of 55.5, indoors at AT&T Stadium. The central question is whether a Dallas defense that ranks 29th in yards allowed per play (5.79) and 31st in rushing yards allowed (147.4 per game) can hold up against a San Francisco offense that ranks second in yards per play (6.31) and seventh in rushing at 135.3 yards per game, with Christian McCaffrey leading the backfield.

The 49ers are balanced. They score 29.4 points per game, rank 3, and allow 19.5, rank 5. Their run defense, at 80.9 yards allowed per game and rank 2, meets a Dallas ground game that ranks 21st at 103.6 yards per game. One caution: San Francisco has allowed 23 points per game over its last four, a softer stretch than its season rate.

Dallas can score. The Cowboys rank sixth in points per game at 27.3 and sixth in passing yards at 256.9 per game, and they pass on 59.1% of offensive plays. Dak Prescott's top target, CeeDee Lamb, has 39 targets over the last three games. The supporting cast is thinner than usual, though: George Pickens, tight end Jake Ferguson, KaVontae Turpin and running back Tyler Goodson are all out. Red-zone efficiency also favours San Francisco, whose opponents turn 48% of trips into touchdowns, while Dallas converts 71.4% of its own.

San Francisco has its own holes. Deebo Samuel Sr. and Mike Evans are out, Brandon Aiyuk is out despite being reinstated Monday, and Christian Kirk is on injured reserve. Jordan Watkins, Brandin Cooks and Jacob Cowing are the receivers by recent usage, with George Kittle at 25 targets over the last three games. On defense, Gracen Halton is out for the season with a broken ankle, and cornerbacks Deommodore Lenoir and Renardo Green are questionable and day-to-day. Dallas is missing Joey Porter Jr., P.J. Locke and DeMarvion Overshown on defense, which compounds a unit already allowing 26.2 points per game, rank 23.

The market has barely moved. The spread opened at San Francisco -4 and now sits at -4.5, a small move. The moneyline is essentially unchanged, with San Francisco at -218 and Dallas at +176. The total has risen a point from 54.5 to 55.5, also small. Against the spread, San Francisco is 5-3 and Dallas is 3-5-1. Dallas has covered five straight as a home underdog, yet it has also lost three straight at home, so the streaks pull in different directions and describe the past rather than predict this game.

Overall, the efficiency and run-defense numbers favour San Francisco, while Dallas's passing offense and the 49ers' receiver absences keep the margin from looking settled. Both teams score freely and Dallas's defense is the weaker of the two, so the total depends on whether the 49ers' depleted receiving group can keep pace.