The Lions are thin in the backfield with just 12 days before the season begins.

Detroit GM Martin Mayhew has been calling around looking for help at running back.

Kevin Smith is No. 1 on Detroit's depth chart, but he injured his ankle this weekend against Oakland. Jahvid Best will begin the season on the PUP list and Mike Leshoure has been suspended for the first two games of the season for violating the NFL's substance abuse policy.