Baker Botts and Vinson & Elkins, two venerable law firms founded in Texas more than a century ago, engaged in partner tug-of-war in New York and Washington, D.C., that has ended with Baker Botts taking four of Vinson & Elkins’ corporate partners.

Mike Rosenwasser, a leading lawyer specializing in master limited partnerships, and Adorys Velazquez, who does securities, capital markets, and M&A work, joined Baker Botts as partners in New York this week.