company to drop lance armstrong.ee with oz. tiger is in the deep woods here. david: again, he's not saying he's addicted to anything, even though something like this has happened before back in 2009. john, what do you think? did nike make a mistake in sticking by him? >> no, they did the right thing. phil knight has a long relationship with tiger woods. he's made it a lot of money and nike sticks by its athletes. we don't know the full story. what a shame if nike would have turned tail for him now. david: there have been combacks, ryan lochte, michael phelps, michael vick, i didn't think he'd ever come back from the thing with the dogs. and there are precedents for this. >> yes, it's good for nike to stick with him and they started with him and benefitted from the relationship. other sponsors want to stay on the sidelines and drop him, fine, nike with them gives tiger woods if he can come back the ability to come back. >> with tiger, he's been here before. >> nike would be within its rights to back away from tiger wo

. >> some people have called it the lance armstrong effect. >> reporter: dr. benjamin breyer and his team of researchers at ucsf just released a national study that shows more people than ever are cycling which means injuries and medical costs are sky rocking. dr. breyer's study found over 17 years, hospital admissions due to bike crashes increased 120%. during those 17 years there were 3.8 million nonfatal injuries and 9839 deaths. men consistently make up for 75% of the injuries. and medical costs due to these injuries increased $789 million each year. >> we do think that the findings illustrate that there's work to be done in terms of infrastructure and in terms of safety. >> we know where there's more work to do and what kind of work there is to do. >> reporter: the san francisco bicycle coalition has been fighting for changes to san francisco's bike lane infrastructure for decades. mayor ed lee said this morning city streets have to come first and that paving will help improve safety for cyclists, too. >> we begin with the roads and the streets, vision ze

lance armstrong could have been -- >> i did not. >> jimmy: i feel like you're not giving 110%. [ laughter a funny point in the movie. >> jimmy: it does. it pops up in a way. [ laughter ] well, it's very, very good to see you. congratulations on the movie. it's a really good movie. it's called "marshall." it opens october 13th. chadwick boseman, everybody. we'll be right back with tatiana maslany. [ cheers and applause ] more people are choosing nissan. ♪ it's america's best sales event the fastest-growing auto brand in the u.s.a. take on every day get 0% for up to 72 months on 13 models. ♪ ♪ when you're close to the people you love, does psoriasis ever get in the way of a touching moment? if you have moderate to severe psoriasis, you can embrace the chance of completely clear skin with taltz. taltz is proven to give you a chance at completely clear skin. with taltz, up to 90% of patients had a significant improvement of their psoriasis plaques. in fact, 4 out of 10 even achieved completely clear skin. do not use if you are allergic to taltz. before starting you should be checked for tuber