I think that we've got him as a CB, not a WR.
He can play both WR & CB.
So maybe he'll be a backup WR, and backup CB, and Special Teams player, thus essentially freeing up an extra roster spot.
I mean, he already looks better than Matt Hazel.
In general, the 6th WR on the roster isn't going to get many receptions during the year anyway. If he can free up an extra roster spot, that might be his greatest value.