The 6-foot, 161-pound Brooks is an eight-year NBA veteran who has played with Houston, Phoenix, Sacramento, Denver and Chicago. He was a first-round pick (26th overall) of the Rockets in 2007 after playing collegiately at Oregon.
His best season was in 2009-10 when he averaged 19.6 points and 5.3 assists per game for Houston. In 2010, he was the NBA's Most Improved Player.
Over his NBA career, he has averaged 10.7 points and 3.2 assists.
"Aaron is a proven point guard in the NBA," said Pacers President of Basketball Operations Larry Bird. "He can create and shoot the 3. He's another scorer for our second unit who plays at a high level at both ends of the court."