Panthers defensive end Frank Alexander was carted off the field during the first quarter with a torn Achilles. Take a look at some other injuries that we are tracking.

Sam Bradford's battle against Mark Sanchez for the Eagles' QB job is further hindered by injury woes he's attempting to return from. Read what other NFC position battles are worth keeping an eye on.

The Atlanta Falcons look to be without wide receiver Julio Jones on Friday night as they take on the Miami Dolphins in their preseason opener. Jones was not in uniform as he deals with a foot injury.

Carolina Panthers defensive end Frank Alexander has been suspended four games for violating the NFL's substance-abuse policy. How will his absence be felt in Charlotte?

The Panthers announced Friday they've signed former N.Y. Giants pass rusher Alex Hall, who spent the last two seasons with the Winnipeg Blue Bombers. Hall was second in the CFL with 16 sacks in 2013.

Green Bay Packers linebacker Clay Matthews was fined $15,000 for a late hit out of bounds on San Francisco 49ers quarterback Colin Kaepernick on Sunday. See who else was fined in Week 1.

Carolina Panthers defensive end Frank Alexander was ejected after throwing punches at a Seattle Seahawks offensive lineman Sunday.