Head coach Chip Kelly addressed the media prior to Tuesday's walkthrough. He updated the injury report, discussed the Training Camp performances of some veteran players and delved into the roster battles at some key positions ...

Chip Kelly: Haven't figured out yet how much starters will play Thursday night ... We'll meet again tomorrow after we know his available. — Eagles Insider (@EaglesInsider) August 19, 2014

Kelly: McCoy practices yesterday, he should be fine ... Brad Smith has groin, not extended thing but may not play Thursday — Eagles Insider (@EaglesInsider) August 19, 2014

Kelly says Nolan Carroll II has done everything this week, would like to get him some reps Thursday night. — Eagles Insider (@EaglesInsider) August 19, 2014

Kelly on Josh Huff: Nothing's broken and he has to rehab the shoulder, no surgery ... Won't play Thursday night. — Eagles Insider (@EaglesInsider) August 19, 2014

Kelly: I think Brent Celek sets a tone not just for the offense but for the whole team ... Takes a lot of pride in his toughness. — Eagles Insider (@EaglesInsider) August 19, 2014

Kelly: I think Fletcher Cox has done a great job with transition ... Really exited about where he's headed and what he's done in camp. — Eagles Insider (@EaglesInsider) August 19, 2014

Kelly on backup RBs: Availability is a big factor ... You have to be able to play. — Eagles Insider (@EaglesInsider) August 19, 2014

Kelly: DeMeco Ryans is the quarterback of our defense, makes all the calls, all the audibles ... We know what we have with him, we need him. — Eagles Insider (@EaglesInsider) August 19, 2014

Kelly: Andrew Gardner has done a real nice job, good acquisition for us, has worked real well with Tobin ... We know Tobin plays tackle too. — Eagles Insider (@EaglesInsider) August 19, 2014