The Falcons also signed seven players to the practice squad.
The 5-foot-10, 232-pound Pinner had 43 carries for 190 yards and three touchdowns last season with the Minnesota Vikings, Atlanta's opponent on Sunday in the season opener. He was drafted by Detroit in the fourth-round (99th overall) of the 2003 NFL draft.
Batiste (6-4, 318) was inactive for nine games last season with the Carolina Panthers after beginning the 2006 season with the Edmonton Eskimos of the CFL.
Ayodele (6-2, 300 pounds) was signed to the Dallas Cowboys practice squad last season and was allocated to the Frankfurt Galaxy of NFL Europa in the spring. He was originally signed as an undrafted rookie free agent by the Patriots in 2006.
Beck spent two seasons with the Falcons after being drafted in the third round in 2005. After a season on injured reserve, he finished second on the team with 13 special teams tackles last year.
Snelling was a seventh-round draft pick out of Virginia.
Signed to the practice squad were quarterback Casey Bramlet, defensive back Brent Grimes, wide receivers Eric Weems and Todd Watkins, offensive lineman Kurt Quarterman, linebacker Travis Williams and tight end George Cooper.
(Copyright 2007 by The Associated Press. All Rights Reserved.)