Former coach of NFL’s New York Giants from 1997 to 2003, Jim Fassel has died on Monday at the age of 71.

The death of Fassel, who had been living outside of Las Vegas, was announced by the Giants in a press release, CNN reports.

According to a spokesperson for the Giants, the team got an information from close friends of Fassel’s family.

The Giants, while citing numerous media reports discovered that, before his death, Fassel who he died of a heart attack while under sedation was taken to a hospital with chest pains Monday

On his achievements at the Giants, Fassel led the Giants to the playoffs three times during his tenure with the team including a Super Bowl appearance in 2001, where New York lost to the Baltimore Ravens in Super Bowl XXXV.

It has also been recorded that he has coached at the collegiate and professional level for 30 years. He has also worked as the head coach at the University of Utah and assistant coaching roles with the Denver Broncos, Oakland Raiders, Arizona Cardinals, and Baltimore Ravens.

In a statement Tuesday, Current Ravens coach John Harbaugh who acknowledged the feats of Fassel reacted by paying his respects to him.

He said although he never coached with Fassel, he “always respected and appreciated his approach to coaching and the way he treated his players.”