Two of Saints left tackle Terron Armstead’s four starts last year were against the No. 1 and No. 2 defenses, or Seattle and Carolina, respectively. He also got to see Cameron Jordan, New Orleans’ Pro Bowl defensive end, up close every day in practice. Yet, asked Monday night to name the best NFL player he played against as a rookie in 2013, Armstead said it was Saints outside linebacker Junior Galette — “hands down.”