Anthony James "A. J." Allmendinger (born December 16, 1981, in Los Gatos, California) attended Leigh High School and is an American racecar driver. He currently drives the #84 for Team Red Bull in NASCAR.

NASCAR:
Allmendinger made his NASCAR debut in the Craftsman Truck Series driving for Bill Davis Racing at New Hampshire International Speedway on September 16 2006. He crashed his primary truck in qualifying but started the race 32nd and finished on the lead lap in 13th. He also competed at Talladega Superspeedway in October with a finish of 5th. In his 3rd career truck series start, he qualified in 2nd place at Atlanta.

It was announced on October 24, 2006 that Allmendinger would drive the NEXTEL Cup #84 Team Red Bull Toyota Camry in 2007.

Allmendinger attempted his first NASCAR Nextel Cup Series event at Atlanta in October 2006 driving the Team Red Bull entry, however, due to qualifying being rained out, a lack of owner`s points prevented Allmendinger from making the race. He also attempted to make the race at Texas Motor Speedway, failing to qualify again, however.

Allmendinger failed to qualify for the 2007 Daytona 500 after a crash in the first Gatorade Duel race. He has also failed to qualify for the California, Las Vegas, and Atlanta races. Allmendinger finished 40th his first Nextel Cup start at the Food City 500 at Bristol, and as the season progressed, Allmendinger made a handful of races, predominantly in the "Car of Tomorrow." To assist him in the transition, he participated in selected Craftsman Truck Series races for Toyota for the Darrell Waltrip Motorsports organization, and the #42 Chip Ganassi Dodge in the Busch Series.

2008 Cup carAllmendinger failed to qualify for the 2008 Daytona 500. After three failures to qualify in 3 attempts, he was replaced by veteran driver Mike Skinner, initially on a temporary basis. Allmendinger is likely to return to the Cup series at Talladega. He hopes to have a Mark Martin like return with the ever improving Toyota Red Bull team.

On May 17, 2008, Allmendinger won the Sprint Showdown at Lowe`s Motor Speedway during NASCAR`s annual All-Star weekend. The win qualified Allmendinger for the Sprint All-Star race later that evening where he finished 17th.