The Dallas Mavericks signed free agent guard Wayne Ellington and center Bernard James on Friday.The 6-foot-4 Ellington is a four-year veteran shooting guard with career averages 6.9 points, 2.0 rebounds and 19.5 minutes in 267 games (34 starts) with Minnesota, Memphis and Cleveland. Ellington signed a two-year contract worth a total of $5.3 million.The 6-10 James was re-signed after he was originally waived by the Mavericks on July 19 and cleared waivers on July 21. He played in 46 games (11 starts) last season in his rookie year. He averaged 2.8 points, 2.8 rebounds and 0.8 blocks in 9.9 minutes per game. James’ contract is for one year and $877,782.Bucks sign centerThe Milwaukee Bucks signed free-agent center Miroslav Raduljica, adding a 7-footer who has played the past seven years in Europe. The 25-year-old Serbian spent the 2012-13 season with the Ukrainian club Azovmash, leading the team to the Ukrainian Superleague Finals after averaging 14.2 points and 5.9 rebounds.Nets, swingman agreeThe Brooklyn Nets agreed to a deal with guard/forward Alan Anderson. Anderson averaged a career-high 10.7 points last season for Toronto. He has averaged 8.6 points in his four NBA seasons.