Following his senior season, he finished as the runner-up for the national Gatorade High School Player of the Year award.

He hauled in seven passes for 165 yards (151 m) and a career-high three touchdowns in 27–24 win at the Tampa Bay Buccaneers on November 18, including a career-long 66-yard (60 m) TD catch (from Miller) in the game.

He amassed a career-high three 100-yard (91 m) receiving games on the season, including the opener against the Minnesota Vikings on September 8 when he produced 198 yards (181 m) - tied for the third highest single-game total in Bears history.

His second 100-yard (91 m) game of the season occurred against the Green Bay Packers on October 7, when he hauled in a career-high 12 passes - the fourth-highest single-game total in team history.

Booker started all 13 games in which he played in 2003 and was the Bears’ leading receiver for the third straight year, catching 52 passes for 715 yards (654 m) and four touchdowns.

Booker caught six passes for 92 yards (84 m) in finale at the Kansas City Chiefs on December 28, as he set a Bears record for consecutive games with a reception (58).

The following April, the Dolphins used the third-round draft choice acquired from the Bears on Florida linebacker Channing Crowder, who developed into a productive starter for Miami during his 6 years.

He finished third on the team with 50 receptions for 638 yards and a touchdown, behind fellow wide receiver Chris Chambers and tight end Randy McMichael.

Booker turned in his most productive receiving day of the season at the New England Patriots on October 10, when he hauled in seven passes for 123 yards.

That led to a Sammy Morris eight-yard touchdown run on the next play from scrimmage for the Dolphins’ first score of a game they went on to win, 31–14, as they earned their initial victory of the season.

Booker accounted for a pair of 100-yard receiving games on the year, including the season opener against the Denver Broncos when he hauled in five passes for 104 yards.

Booker had two receptions for 56 yards on December 18 against the New York Jets, including a 50-yard touchdown catch from Sage Rosenfels 4:05 into the fourth quarter, which broke a 17–17 tie as the Dolphins held on for a 24–20 victory.

Booker hauled in a 15-yard touchdown pass from Gus Frerotte in fourth quarter of a January 1 contest against the New England Patriots, giving the Dolphins a 25–13 lead in their 28–26 victory.

2 receiver behind Chris Chambers, with the team trying to work rookie first round pick Ted Ginn Jr. and Derek Hagan more into the offense.

Following a disastrous start to the season for the Dolphins, Chris Chambers was traded on October 16 to the Chargers for their second round draft pick in 2008.

Booker then became the only experienced receiver for rookie QB John Beck and career back-up Cleo Lemon to throw to for the rest of the season.

Booker signed with the Atlanta Falcons on August 6, 2009, after the team waived undrafted rookie wide receiver Bradon Godfrey.