Re: there is only one explanation

The Rams like what they've seen from Higs in preseason and expect him to pick things up a bit. That plus the fact they didn't draft a TE this year and start that 2 year timer ticking meant their backs were against the wall.

I see it as an overpay, but not a grievous one. And they probably think he has a good chance to live up to it or exceed it.