The Dallas Cowboys have been practicing against one another since the beginning of OTAs, but on Tuesday in Oxnard, things are going to be different. The Cowboys will hold a joint practice with the Los Angeles Rams as both teams prepare for their first preseason game this weekend.

The Los Angeles Rams are holding their first of two joint practices today as they visit the Dallas Cowboys ' training camp facility in Oxnard. It's an important day for the Rams' starters because they won't play in the preseason, so this will be their primary exposure to other teams before Week 1.

The Dallas Cowboys are taking the field Tuesday along with their preseason-opening opponent, the Los Angeles Rams, in a joint practice. Below, we’ll provide updates and observations from our Cowboys insiders as the workout progresses: