Jeff Gladney, Arizona Cardinals cornerback, dies in an accident at age 25

Jeff Gladney, a cornerback for the Arizona Cardinals, died in a car crash Monday morning in Dallas, according to the team's official website. 

Gladney, 25, was among two people who died in the crash, according to CNN affiliate WFAA. CNN has reached out to Gladney's agent for comment. 

The crash took place around 2:30 a.m. and involved two vehicles, according to a news release from the Dallas County Sheriff's Department. 

A preliminary investigation found that a white vehicle was speeding and clipped a second vehicle from behind. 

The white vehicle then lost control and hit a freeway pier beam, killing the man and woman 

inside, the release said. The second vehicle was also occupied by a man and woman, who were not injured. 

Minnesota Vikings cornerback Jeff Gladney is seen in action against Tennessee Titans wide receiver