As the Federal Communications Commission (FCC) prohibited the common ownership of a television station and a newspaper in the same market, in purchasing channel 25, News Corporation had to apply for and was granted a temporary waiver in order to retain WFXT and the newspaper it had also published, the "Boston Herald". In 1989, Fox placed WFXT in a trust company; the following year, it sold the station to the Boston Celtics' ownership group, who promptly made WFXT the NBA team's flagship station. The station also gained a sister station on radio, as the Celtics also purchased WEEI (then at 590 AM, now WEZE; now at 850 AM) at the same time.