Five training camp storylines to watch

Finally. Training camp kicks off on Friday, the first stop in a month-long process that will lead up to the first game of the season: Sept. 4 vs. Oregon State.

Camp guidelines have been altered to enhance player safety, with fewer full-padded practices and scrimmages among the changes. It's against that backdrop that Jeff Brohm will prepare his fifth edition.

Here are five storylines to watch.