DAVIE, Fla. -- Miami Dolphins linebacker Koa Misi says hes looking forward to the teams annual fishing tournament this weekend, when he hopes to end a slump. "Its a lot of fun," Misi said. "But I seem to get on a boat that doesnt catch too many fish. Hopefully this year that will change." With the season three months away, the Dolphins are casting about for ways to improve their defence, which is why Misi found himself at middle linebacker during Mondays off-season practice. He spent his first four NFL seasons mostly at strong-side linebacker, but the Miami coaching staff believes Misi might be better suited to clogging up the middle for a team that ranked 24th in rushing defence and 21st in yards allowed in 2013. The switch is an experiment instigated when the Dolphins began off-season workouts. Misi swapped spots with Dannell Ellerbe, who moved from the middle to the outside in Miamis 4-3 scheme. Philip Wheeler remains at weak-side linebacker, where second-year pro Jelani Jenkins could challenge him for playing time. Linebacker was considered a weakness last year for the Dolphins, but they didnt address the area with a major acquisition in free agency or the draft, and now coach Joe Philbin is looking at the position switch as a possible remedy. The 6-foot-3, 254-pound Misi was considered the best of the three starting linebackers last season. He won praise for his sound fundamentals, sure tackling and run-stopping skills. "One of the things Ive liked about him is when we do a year-end video cutup and show examples of how to take on a block, tackle properly and pursue to the ball, he shows up on a lot of those cuts," Philbin said. "He plays the right way. And he has great leadership qualities. So we want to take a look at him in the interior. Well see how he adjusts to that position and relates to the other players and the defence in general. So far he has done a nice job." Defensive co-ordinator Kevin Coyle said the switch is a work in progress, but he likes the idea of Misi in the middle. "He has such a physical presence," Coyle said. "When Koa hits you, you stay hit for a while. I cant tell you how many times weve used Koa as the example of, This is how you compete each and every snap on defence." Misi has been used at both outside linebacker spots and played a little defensive end early in his career, so hes accustomed to position changes. "Since I got here Ive been switching positions," he said. "Im always open to try something new. If it works, it works. If not, well go back to the way things were." Ellerbe said his attitude is the same. He played four seasons at outside linebacker for the Baltimore Ravens before replacing an injured Ray Lewis in the middle during their Super Bowl championship season in 2012. He moved back to the middle when he joined the Dolphins last year. "Whatever will help the team, Im down for," Ellerbe said. "It doesnt matter where we play." In the middle, Misi said, he must adjust to the heavier traffic and change the way he reads keys. In addition, playing in the middle -- the mike position -- requires that the laid-back Misi assume more of a leadership role. "Mike is the leader of the defence," he said. "It forces you to be more vocal. Youve got to make all the calls, and you have to know pretty much the whole defence to get in the right spot to make a play." The experiment will likely continue the rest of this week at least, with two more practices scheduled. "I cant commit today to say that its a done deal," Coyle said, "but certainly I like what were seeing." Tyler Miller Jersey . Charlottetown scored four times in the third period en route to a 5-2 win over the defending champion Halifax Mooseheads on Friday. Matt Besler USA Jersey . -- Chicago manager Darold Butler has a message for the Windy City. http://www.soccerusateamonline.com/Christian-Pulisic-Copa-America-Jersey/ . 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Lamar Miller and Daniel Thomas were the Dolphins primary ball carriers last season, and both remain on the roster. Moreno has a career average of 4.1 yards per carry, compared to 4.2 for Miller aand 3.dddddddddddd6 for Thomas. The Dolphins offensive line has been a big reason for their sputtering ground game. The unit also gave up a franchise-record 58 sacks and was rocked by the teams bullying scandal last year. Centre Mike Pouncey is the lone holdover in the line, and while the Dolphins added left tackle Branden Albert, theyre still shopping for upgrades at guard and right tackle. Denver made Moreno the 12th overall pick in the 2009 draft after he played at Georgia. He has career rushing totals of 3,468 yards and 26 touchdowns. Moreno became a social media sensation he cried during the national anthem before a game in December. He has been slowed by injuries and has played in all 16 games just twice in his career. ' ' '