UPDATE: 4/9/14, 8:30 a.m. EDT. Information on Irish counsel for Questcor has been added to the second paragraph of this story.

A half-dozen Am Law 100 firms—many of them home to lawyers featured in The American Lawyer’s latest Corporate Scorecard and Dealmaker of the Year report—got the second quarter of 2014 off to a strong start by grabbing roles on two big M&A transactions announced Monday in the pharmaceutical sector.