S Gerald Alexander signs with Dolphins

By foxsports

Published Oct. 19, 2011 5:26 p.m. ET

Safety Gerald Alexander has signed with the Miami Dolphins, who have placed receiver Roberto Wallace on injured reserve.

Alexander, a fifth-year pro, has made 30 career starts while playing with the Panthers, Jaguars and Lions. He was with the Dolphins briefly before the season and was released Sept. 3.

Wallace, a second-year pro, played in two games for Miami this season and had no catches.