User blog comment:Kaido King of the Beasts/Chapter 837: Cracking Cracker/@comment-104.200.137.108-20160827045437/@comment-5398287-20160827155222

Plus, we don't know how powerful that commander was - you're judging him/her by Cracker's level, but apparently Cracker was stronger than they were, enough to soundly beat Urouge afterward.