Complex sentence: Later, his rights were traded to the Philadelphia 76ers in January 1999 and the New York Knicks in March, with whom he eventually signed and debuted in 1999-00 season where he played only 7 games.
Split into simpler sentences: Later, his rights were traded to the Philadelphia 76ers in January 1999, and then to the New York Knicks in March. He eventually signed with the Knicks and debuted in the 1999-00 season, in which he played only 7 games.