This is a great signing for a team who needs both an extra receiving option and a legitimate option in the return game as well.
Jones excels mainly as a deep threat on offense. He possesses an ideal blend of size and speed that allows him to be a serviceable deep threat.
His ability on deep routes could complement Torrey Smith and Anquan Boldin very well, but first he'll have to earn the right to be the third option, as he'll be competing with Tandon Doss, Tommy Streeter, David Reed and Laquan Williams.
Regardless of how that competition turns out, Jones will mainly contribute on special teams, where he has consistently proven to be a dangerous returner.
With the Ravens' desperate need for a returner, Jones is a lock to make the final roster.
The concern here is that the Ravens might have overpaid, as $7 million over two years is a big contract for a third receiver and a returner. Jones will have to make major contributions on offense to be worth this contract.
To be fair, the Ravens might have distributed the money in a way that limits their risk. The key number here is how much of the contract is guaranteed. Pay attention over the next few days to see the terms of the contract.
All in all, this is a nice signing; Jones should definitely become the third option at receiver and upgrade the return units. He makes the Ravens' receiving corps at least somewhat more dangerous, and that makes this a solid signing.