Question: The 1998–99 NBA season was the Mavericks' 19th season in the NBA, in the offseason, the Mavericks traded their top draft pick Robert Traylor to the Milwaukee Bucks for which rookie, a German professional basketball player for the Dallas Mavericks of the National Basketball Association (NBA), and considered to be one of the greatest power forwards of all time?
Sentence (from "1998–99 Dallas Mavericks season"): In the offseason, the Mavericks acquired point guard Steve Nash from the Phoenix Suns, traded their top draft pick Robert Traylor to the Milwaukee Bucks for rookie Dirk Nowitzki, signed free agent Gary Trent and released Khalid Reeves to free agency.
Relevant evidence: Yes