Complex sentence: In 1994, the Pistons traded Robertson to the Denver Nuggets in exchange for underachievers Mark Macon and Marcus Liberty, however, he never actually saw any playing time for them due to pre-existing back injuries.
Split into simpler sentences: In 1994, the Detroit Pistons traded Robertson to the Denver Nuggets in exchange for underachievers Mark Macon and Marcus Liberty. However, he never actually saw any playing time for the Nuggets due to pre-existing back injuries.