The Tennessee Titans returned to Nissan Stadium for Day 4 of training camp, and here are nine takeaways from the action.

Follow our daily updates from Titans training camp, including intel on the QBs, tight position battles and potential breakouts.

The Arizona Cardinals play the Tennessee Titans at home in Week 5, and they might face a Titans team without one of their promising younger players. In training camp on Saturday, wide receiver Treylon Burks suffered a broken collarbone while attempting to make a one-handed catch in practice.