Marshall (6-1, 183) is a two-year veteran who has played in 12 career games with the San Francisco 49ers, all of which came in 2005. A converted quarterback from West Virginia University, he returned 17 punts for 81 yards (5.1 avg.) and 26 kickoffs for 488 yards (18.8 avg.). Marshall was originally drafted in the fifth round (124th overall) of the 2005 NFL Draft.
Mason (6-0, 192) was signed as an undrafted rookie free agent by the New Orleans Saints on May 12, 2006. A two-year letterman at Michigan, he was released from the Saints during training camp in 2006.
Smith (6-2, 200) was signed by the Detroit Lions as an undrafted rookie free agent on May 4, 2006 but was later released in camp. He earned All-Pac 10 honors during his career at Cal-Berkeley.