Kaepernick ran the read option to near perfection on the big stage against Green Bay back in January. In this scheme, quarterbacks aren't as protected when they leave the pocket if it is clear they are runners.
"You're hearing a lot of tough talk right now, you're hearing some intimidating type of talk, the same thing we were hearing a couple years ago,Cristiano Ronaldo Maglia Juve Originale," Harbaugh said Wednesday. "It sounds a lot like targeting a specific player. You definitely start to wonder. A man will usually tell you his bad intentions if you just listen. You know what's being said publicly, not what's being said privately. You hope that their intent isn't going to be anything that's not within the rules."