Nine lawyers from Norton Rose Fulbright's U.S. mergers and acquisitions practice have left the firm to join the Houston office of Baker Botts LLP. The new hires include David Peterman, former head of Norton Rose Fulbright's U.S. M&A and securities practice; Robert Phillpott, former head of Norton Rose Fulbright's U.S. tax practice; Efren Acosta, former head of Norton Rose Fulbright's Houston corporate, M&A and securities practice; Edward Rhyne; Ned Crady; Daniel Mark; Natasha Khan; Ron Scharnberg;…