The Chicago Bears made another massive move, signing Atlanta Falcons center Drew Dalman in free agency. Here are four takeaways from the transaction.

The Chicago Bears have made their first big splash of free agency agreeing to terms with center Drew Dalman, according to NFL Network's Ian Rapoport. It's a three-year, $42 million deal that includes $28 million guaranteed, which makes Dalman the second-highest paid center in the NFL.

The Bears continued the dramatic, expensive rebuilding of their offensive line Monday when they quickly moved to sign former Falcons center Drew Dalman, the top player at his position on the free agent market. He’ll get $42 million over three years, per ESPN.