Dallas Cowboys guard Ronald Leary has been absent from the Cowboys' non-mandatory workouts this week after he requested a trade so he could have the opportunity to start for another team's offensive line as he has been relegated to mostly backup duties in Dallas.In the middle of this holdout, Leary sent a not-so-subtle message to the Cowboys by changing his Twitter page and eliminating any and all references to the Cowboys on his social media profile.Click here to view the tweet on your mobile app.Previously, Leary's bio read, "Offensive Lineman for the DALLAS COWBOYS.