Championship ring
Howell earned an NBA Championship ring in 1967–68. The Celtics won the NBA Title, defeating the Los Angeles Lakers 4–2 in the NBA Finals. Howell averaged 19.8 points and 9.8 rebounds in the regular season as the 54–28 Celtics earned Russell his first title as head coach. The Celtics beat the Pistons 4–2 in the playoffs, with Howell third on the team with 17.7 points in the series.