Complex sentence: Carroll represented the Warriors in the 1987 NBA All-Star Game, but after the 1986-87 season his production began to decline, and in December 1987 he was traded with Sleepy Floyd to the Houston Rockets for Ralph Sampson and Steve Harris.
Split into simpler sentences: Carroll represented the Warriors in the 1987 NBA All-Star Game, but after the 1986-87 season his production began to decline. In December, 1987, he was traded with Sleepy Floyd to the Houston Rockets for Ralph Sampson and Steve Harris.