The Chicago Bulls have reached an agreement with free-agent center Pau Gasol on a multiyear deal.

Gasol announced that he had chosen the Bulls on his Twitter feed Saturday.

Discussions between Chicago and the Los Angeles Lakers on a sign-and-trade deal for Gasol broke down, so the four-time All-Star will sign directly with the Bulls, sources told ESPN.com.

Chicago currently does not have salary-cap space, so it will have to make roster moves to free room to add Gasol.

If the Bulls are unable to work a last-minute trade of Carlos Boozer, it likely means they will have to release him via the amnesty provision and clear the forward's $16.8 million off their salary cap to make room for Gasol. The deadline for such a move is Wednesday.

Boozer then would be placed on waivers and teams with cap space could bid to pick up a portion of his contract. The team with the highest bid would get his services. With so many teams currently owning cap space, it is doubtful Boozer would pass through and become an unrestricted free agent.

The Bulls are also hoping to create additional cap space to sign 2011 first-round draft pick Nikola Mirotic, who reached a buyout agreement with his Spanish team last week with the intention of coming to the NBA. The 6-foot-10 power forward has been seen as an offseason priority for the Bulls as they look to bolster a strong front line that already includes Joakim Noah and Taj Gibson.

full story:-http://espn.go.com/chicago/nba/story/_/id/11207844/pau-gasol-tweets-joining-chicago-bulls