He played college football for the Arkansas Razorbacks and was selected by the Green Bay Packers in the first round of the 2004 NFL draft.

Carroll was also a member of the Jacksonville Jaguars, Orlando Predators, New York Jets, Calgary Stampeders, Hartford Colonials, Virginia Destroyers, Arizona Rattlers and Toronto Argonauts.

During his years playing Pop Warner football, he earned the nickname "Batman" after repeatedly jumping over an offensive lineman.

Blue Chip Illustrated rated Ahmad the second-best cornerback in the nation and the fourth-best overall player in Georgia.

He earned a pair of All-American honors in the 100m and 200 meters at the 2003 NCAA Outdoor Track and Field Championships.

In 2002, during the indoor season, Carroll competed in the 60-meter dash and set a new UA record with a provisional qualifying time of 6.69 seconds to win the event at the OU Sooner Invitational.

At the SEC Outdoor Championships, Carroll ran a time of 10.50 seconds in the prelims and just missed advancing to the finals.

At the NCAA Mideast Regional Championships he registered a career-best time of 10.28 seconds in the prelims of the 100m and in the finals he crossed the line in seventh (10.33s).

He was the first Arkansas athlete to earn the honor in both the 100m and 200-meter dashes and was the only sprinter for the week to score points in both events.

Midway through the third quarter, Carroll was flagged for defensive pass interference on a deep attempt by Eskimo quarterback Steven Jyles to receiver Fred Stamps.