1. In 1999-2000, he was ranked 7th in the NBA in free-throw percentage (.877)

2. On 6^th December, against the Miami Heat he recorded his first career triple-double with 16 points, 12 assists and 10 rebounds.

3. Selected to the 1997-98 Schick All-Rookie Second Team

4. Arenas ranked 5th among beginners with 11.7 ppg and 1.30 spg and 6th with 3.4 apg and in 1997-98 led all rookies with an .873 free-throw percentage ranking 4^th in the NBA.
5. Made his NBA Playoffs debut in 1998, averaging 10.8 ppg, 2.8 apg and 2.3 rpg in 4 games

6. During the 1998 NBA All-Star Weekend in New York, he was selected to compete in the Schick Rookie Game but did not played due to injury.