Sports roundup: LSU duo near top of Masters leaderboard … ESPN live-blogging Tigers’ spring practice … Vitter, Cassidy file bills to extend offshore boundaries, including for fishing

Showing their stripes: At 46 years old, Shreveport's David Toms is twice the age of fellow LSU product John Peterson. Today, in the first round of the Masters, Toms doubled up the Masters rookie, too.…