Dolphins want to make upgrades at the linebacker position

Not that this needs to be stated, but the Miami Dolphins need to make some serious upgrades in the linebacker corps this upcoming offseason, and according to the Miami Herald's Barry Jackson, the Dolphins intend to do just that.

When the 2015 season began, the Dolphins sent out a team of starting linebackers consisting of Jelani Jenkins at WLB, Koa Misi at SLB after spending 2014 as the team's middle linebacker, and Kelvin Sheppard took his place as the starting middle linebacker.

\u200bMiddle linebacker in particular is an area that needs to be upgraded, and according to Jackson, that's the position the Dolphins are most concerned about. In a typical defense, it's the middle linebacker that…