The latest from NFL games on the 16th Sunday of the regular season (all times EST):

12 p.m.

Ryan Mallett is slated to start at quarterback for the Baltimore Ravens against the Pittsburgh Steelers.

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Mallett is the fourth different starting quarterback for the Ravens over a six-week span.

Joe Flacco started 137 consecutive regular-season and playoff games, the most to begin a career in NFL history, before tearing an ACL in his left knee in November.

Matt Schaub started two games and Jimmy Clausen started two, and now it's Mallett, who was signed Dec. 15.

Clausen was placed on the inactive list for Sunday's game.

Mallett was cut by the Houston Texans on Oct. 27 after missing a flight to Miami. He will probably get a two-week tryout to determine if he's backup quarterback material for next season.

- David Ginsburg reporting from Baltimore

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