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CHARLOTTE, N.C. (AP) _ The Carolina Panthers, thin at quarterback since Chris Weinke suffered a concussion, signed Tim Hasselbeck to the practice squad Tuesday.

Hasselbeck could be activated before Sunday's game against Tampa Bay if Weinke does not recover from the concussion he suffered in last week's 30-0 loss to Atlanta.

Carolina also signed tight end Shawn Draper to the practice squad. To make room for Hasselbeck and Draper, offensive lineman Jay Humphrey and defensive lineman Donovan Arp were released.

The Panthers are thin at quarterback, with rookie Randy Fasani their only healthy option. Rodney Peete, who started the first six games of the season, is out until next month with a knee injury.

So they signed Hasselbeck, who played under offensive coordinator Dan Henning when he was head coach at Boston College.

The 24-year-old Hasselbeck was with the Philadelphia Eagles last season camp but was released Sept. 1. He also played in the spring for the Berlin Thunder.

Draper was a fifth-round selection by the Miami Dolphins in 2001 but was inactive last season. He signed with Minnesota earlier this year, but was released from the team's practice squad on Oct. 15.