Two months after missing out on free-agent target, the Dallas Mavericks have finally introduced their new veteran players. , who the Mavs got on a waiver claim from Philadelphia, and free agent signees O.J. Mayo and were among the five additions making their first Dallas appearances Monday with owner Mark Cuban. and came in a trade from Indiana and were also there. After creating salary-cap flexibility for free agency, the Mavericks were unable to persuade Williams to come home to play...Cuban said that the best deals are sometimes the ones that aren't made, and he thinks that's what happened this summer.