Getting a direct scoring winger capable of creating his own shot/scoring chance should be the main focus. Although having a pure striker on the bench would not be a bad idea, but only as a sub role.
Like I've been saying for over a year, apart from the dire need to rebuild the defense, the team needs a CM and a scoring RW.
The needs list has been growing and been left unfilled for 3 years now.
Primary Needs:
1- Starting GK.
2- Second GK (contingent on cost, flexibility with Masip promotion)
3- Starting CB
4- Depth CB
5- Starting/Depth RB (Preferably defensively strong, competition with Montoya)
6- Starting/Depth CM
7- Starting Scoring RW
Secondary Needs:
8- Depth quality CDM (Mascherano can fill this for now)
9- Pure Striker (Scoring RW more important, but this could be a valuable addition)