Free-agent center Pau Gasol has reached agreement on a two-year, $30 million-plus deal with the San Antonio Spurs, league sources told The Vertical. Gasol will have the option to re-enter free agency after this upcoming season or sign a longer contract with the Spurs, league sources said. To free room for Gasol, the Spurs are working on a move to trade forward Boris Diaw, sources told The Vertical.