- Scott Brown, ESPN Pittsburgh Steelers reporter
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PITTSBURGH -- Free agency started Tuesday at 4 p.m. ET with a flurry of signings and the Steelers, as they normally do at the start of the league's new year, staying on the sidelines.
That does not mean the Steelers are sitting out free agency -- just the first frenzied part of it.
The Steelers have inquired about a handful of free agents, and they are one of two teams -- the Lions are the other one -- interested in Dolphins safety Chris Clemons, according to ESPN NFL Insider Adam Schefter.
Clemons, 28, has played all five of his NFL seasons in Miami, and in 2013 the 6-1, 214-pounder recorded 92 tackles and intercepted a pass while breaking up eight others.
Clemons saved the Dolphins' 34-28 win over the Steelers last December when he got just enough of a push on Antonio Brown to force him to step on the sidelines and negate a miracle touchdown on the final play of the game.
The Steelers have a need at safety even with Troy Polamalu returning next season, and they may not add to the position solely through the draft.
They are also thin at cornerback and inquired about at least three of them during the period in which teams were allowed to talk to agents of prospective free agents.
Carroll flew to Buffalo on Tuesday, and there is a possibility that he visits the Steelers, though nothing has been scheduled yet, a source told ESPN.com.