Bucs should focus on explosive weapons for offense at combine

Here's a closer look at the positions the Tampa Bay Buccaneers could target at the NFL combine in Indianapolis:

Positions of need:

The Bucs need upgrades at wide receiver, safety and tight end. Receiver Vincent Jackson is 34 and at the end of his contract. They need another talented tight end aside from Cameron Brate. Safeties Bradley McDougald and Chris Conte are scheduled to become free agents, and both struggled before Week 10. The team devoted a lot of attention to cornerback last year, and it paid off. They need to do that at safety.

Given the uncertainty of the situation with Doug Martin, the Bucs need to address running back as well, and they might have to do it with a high draft pick.…