Injuries: 49ERS: QUESTIONABLE: LB Tavares Gooden (ribs), LB Clark Haggans (shoulder), WR Mario Manningham (shoulder), DT Justin Smith (elbow), DT Will Tukuafu (concussion). PROBABLE: K David Akers (pelvis), G Alex Boone (knee), LB NaVorro Bowman (shoulder), LB Ahmad Brooks (shoulder), CB Tarell Brown (shoulder), S Dashon Goldson (foot), RB Frank Gore (wrist), G Mike Iupati (shoulder), RB Bruce Miller (shoulder), CB Carlos Rogers (knee), LB Aldon Smith (shoulder), S C.J. Spillman (illness), LB Patrick Willis (shoulder). SEAHAWKS: QUESTIONABLE: S Jeron Johnson (groin), WR Sidney Rice (knee), CB Walter Thurmond (hamstring), CB Marcus Trufant (hamstring). PROBABLE: DT Alan Branch (ankle), RB Marshawn Lynch (back), CB Richard Sherman (not injury related), RB Robert Turbin (illness), RB Leon Washington (illness).

San Diego at New York Jets

Time: 1 p.m. Line: Jets by 2.

Records: Chargers 5-9 (6-8 vs. spread), Jets 6-8 (7-7 vs. spread).

Comments: Greg McElroy gets his first start at QB for Jets, while celebrated teammates Mark Sanchez and Tim Tebow play cheerleading roles (maybe one of them can borrow Fireman Ed’s helmet?) . . . Chargers QB Philip Rivers is 210 passing yards shy of his fifth straight 3,500-yard campaign . . . Player to watch: Jets’ Shonn Greene has rushed for 240 yards in two games vs. SD.

Injuries: CHARGERS: DOUBTFUL: DT Aubrayo Franklin (knee). QUESTIONABLE: LB Demorrio Williams (ankle). PROBABLE: RB Ronnie Brown (hamstring), LB Donald Butler (groin), T Jeromey Clary (knee), G Tyronne Green (hamstring), WR Eddie Royal (hamstring), LB Takeo Spikes (hamstring). JETS: DOUBTFUL: CB Aaron Berry (hamstring), TE Dustin Keller (ankle). QUESTIONABLE: WR Braylon Edwards (hamstring), WR Mardy Gilyard (illness), DT Sione Po’uha (back), LB Ricky Sapp (ankle), WR Chaz Schilens (knee, calf), LB Bryan Thomas (chest). PROBABLE: TE Jeff Cumberland (wrist, ankle), DT Kenrick Ellis (knee), K Nick Folk (back), S LaRon Landry (heel), C Nick Mangold (shoulder), LB Garrett McIntyre (hamstring), RB Joe McKnight (ankle), G Brandon Moore (hip, foot), LB Calvin Pace (shoulder), RB Bilal Powell (shoulder, toe), QB Mark Sanchez (back), LB Bart Scott (toe), G Matt Slauson (knee), QB Tim Tebow (ribs).

New Orleans at Dallas

Time: 1 p.m. Line: Cowboys by 2½.

Records: Saints 6-8 (7-7 vs. spread), Cowboys 8-6 (6-8 vs. spread).

Comments: Cowboys lead the series, 15-9, but Saints have won 6 of last 7 . . . New Orleans posted first shutout in 17 years last week vs. Tampa Bay but still have NFL’s worst defense . . . Saints WR Marques Colston has eight TDs in last 11 games . . . Cowboys WR Dez Bryant has a TD catch in six straight . . . Player to watch: Dallas’s Dan Bailey has ended last two games with winning kicks.

Injuries: SAINTS: OUT: RB Jed Collins (knee, toe). QUESTIONABLE: RB Chris Ivory (hamstring), CB Patrick Robinson (groin). PROBABLE: TE Jimmy Graham (wrist), T Zach Strief (ankle), RB Pierre Thomas (knee). COWBOYS: OUT: NT Jay Ratliff (groin). QUESTIONABLE: WR Kevin Ogletree (illness), LB Ernie Sims (concussion). PROBABLE: WR Dez Bryant (finger), CB Morris Claiborne (concussion), RB Felix Jones (knee), RB DeMarco Murray (foot), S Charlie Peprah (foot), LB DeMarcus Ware (elbow).

Washington at Philadelphia

Time: 1 p.m. Line: Redskins by 6½.

Records: Redskins 8-6 (9-5 vs. spread), Eagles 4-10 (3-10-1 vs. spread).

Comments: Redskins beat Eagles, 31-6, Nov. 18 and sit atop NFC East after Week 15 for first time since 1999 . . . Philly RB LeSean McCoy is back after missing four games with a concussion. He has 17 TDs in last 15 home games . . . Eagles have gone eight games without an INT . . . Player to watch: Washington’s Kai Forbath has started his career by hitting 15 straight field goals (NFL record is 16).