The Saints have signed veteran running back Ladell Betts to a one-year contract. Betts is still recovering from knee surgery and won't play against the Texans this weekend. "He is coming off an injury, so we need to monitor and be smart about how we practice him, especially in the first couple of weeks back with his ACL," New Orleans coach Sean Payton said. "His experience was something that we valued and his workout was good."