Star receiver Calvin Johnson’s status is in doubt for the Lions’ home opener against the Chiefs.

Further medical tests confirm that Chargers kicker Nate Kaeding suffered a torn anterior cruciate ligament and will be lost for the season, while DE Luis Castillo is out at least 10 to 12 weeks with a fractured tibia.

With Week 1 nearly in the books, here’s a look at the notable injuries from Sunday’s games.

Mike Tolbert had a monster game with three touchdowns Sunday against the Vikings, but his afternoon ended on a negative note.

The Chargers’ list of inactive players for Sunday’s game against the Cowboys did not include LB Shawne Merriman or DT Luis Castillo.

Teams have released their Week 14 practice participation reports for Wednesday. Here’s a look at some of the notable developments.

The injury-ravaged Browns received some good news Sunday, when LB Kamerion Wimbley (knee) and CB Eric Wright (hamstring) were deemed healthy enough to be active against the Chargers.

The Chargers listed S Eric Weddle (knee) as out and LB Shawne Merriman (foot), DE Luis Castillo (ankle) and C Nick Hardwick (ankle) as doubtful for Sunday’s game against the Browns.

Teams have released their official injury reports for Week 12. Here’s a look at some notable names.

Get the latest updates on Eagles CB Asante Samuel, Vikings CB Antoine Winfield, Bengals RB Cedric Benson and other notable players as Thursday injury reports are filed around the league.

The Chargers returned to practice Wednesday missing a number of veteran starters who were listed as sitting out the session — DE Luis Castillo (calf), WR Vincent Jackson (ribs), OLG Shawne Merriman (foot) and OLB Shaun Phillips (ankle).