The Cleveland Cavaliers are making sure that all bases are loaded for the 2014-15 season with reports indicating that the star-studded squad is not yet done making roster moves this offseason.

Cavaliers general manager David Griffin confirmed reports that they are still concerned about the team's ability to protect the rim next season, which is the reason why they are remaining active on the free agency and trade market.

In an interview with Jay Mohr of Fox Sports Radio on Thursday, Griffin said that they got a huge boost in acquiring Kevin Love, who is known as one of the best rebounders in the league, but they are still planning to add a shot blocker soon.

"I think he's an elite defensive rebounder," Griffin said of Love. "I have concerns relative to our ability to protect the rim, and that's not just a Kevin question. We're going to need to add that, but I don't have any concerns about Kevin's ability to be in the right place at the right time from a team defensive perspective."

Brian Windhorst of ESPN revealed on Tuesday that the Cavaliers have been trying to acquire Timofey Mozgov, but the Denver Nuggets are remaining firm on keeping the 7-foot-1 center.

Mozgov, who played for Cavaliers coach David Blatt with the Russian national basketball team, averaged 9.4 points to go along with 6.4 rebounds and 1.2 blocks per game last season.

Marc Stein of ESPN also reported on Sunday that the Cavaliers are one of the teams that are expected to make a run at signing free-agent center Emeka Okafor, who averaged 9.7 points and 8.8 rebounds to go along with 1.0 block during the 2012-13 season before sitting out last year because of a herniated disk.

Meanwhile, aside from adding another center, the Cavaliers are still determined to add more shooter to surround LeBron James, Kyrie Irving and Love.

Ray Allen, who averaged 9.6 points and 2.8 rebounds last season, remains on top of their list, but the sweet-shooting guard has yet to make up his mind about returning next season.

James Jones, who played alongside Allen over the past two seasons in Miami, said that he would love to play with the 39-year-old guard, but he reiterated that he has no plans to make a recruiting pitch to the 18-year veteran.

"It's a decision he has to live with, and I can't promise him a situation would turn out right or would be the best situation," Jones said of Allen on Thursday via South Florida Sun Sentinel. "I talk to Ray, but it's about family, about life, just to see how he is doing."

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