. >> reporter: the feeling of getting everybody back on defense, including tiron, he looked great at practice. to let loose. >> i can't wait, i have been injured a couple weeks, they tell me to chill. knee injuries are no joke. the right time will come, so, i can't wait. i have been itching to get out there. >> reporter: he will play a bunch and chasing down former sun devil qb, brock osweiler, kick off tomorrow 1:25, starters expected to play at least the first half but ba said that could change. coming up tonight at saturday night conversations return, this week's guest, safety markheed christian, a rookie that could make an impact sooner than later. >> why are pre-season games-- when do they count or matter? >> the third is kind of the dress rehearsal, probably half of the starters, robert play more, like cam said, this really counts. if you are a quarterback in business. collin kaepernick making waves for friday's pre-season game against the packers, he sat down during the national anthem, he said he refused to show pride in a country that oppresses black people and people of col