ESPN NFL

The second game of this week's "Monday Night Football" doubleheader features the Cardinals visiting the 49ers (ESPN, 10:15 p.m. ET), and Scouts Inc. has three keys to victory for each team.

1. Pass protection for QB Matt Leinart
The 49ers have two OLBs who are expected to produce double digit sacks in Tully Banta-Cain and Manny Lawson, and Arizona will start two tackles that may be overmatched, rookie ROT Levi Brown and journeyman LOT Mike Gandy. Leinart's receivers are big and physical but lack great speed and explosiveness, and they need time to push off and separate. The right side of the offensive line, with Brown and second-year guard player Deuce Lutui, is inexperienced and will be responsible for protecting the blind side of the left-handed Leinart. Arizona may have to use its backs to help the tackles in pass protection, something that could weaken the Cardinals' play-action package.

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