The Ottawa Senators have said on several occasions that you can never have enough right-shot defensemen in your organization. But this summer, they’ve acquired a pile of righties. They got Jordan Spence in a draft-day mugging of the Los Angeles Kings. They also re-signed Finnish defensemen Nik Matinpalo and Lassi Thomson, signed former Minnesota Wild defenseman Cameron Crotty, and welcomed former first-rounder Carter Yakemchuk to life as a first-year pro.