Peter Schoenke discusses Andrew Luck's health, among other issues hanging over the Colts in training camp.
The season-ending injury suffered by Antoine Bethea on Thursday should allow rookie Jaquiski Tartt to emerge as a starting safety in San Francisco.
Four rookie linebackers land on the 'riser' list this week, with all of Chris Borland, Kyle Van Noy, Anthony Hitchens and Telvin Smith emerging as IDP options.
