He attended Don Antonio Lugo High School, where he was initially a midfielder with the soccer team.
Football head coach Jack Coppes asked him to try out for the team and he ended up playing both sports.
As a senior, he became the school's first four-year varsity letterman, while helping to win its first California Interscholastic Federation football title.
[3] Zendejas was selected in the 1985 USFL Territorial Draft by the Arizona Outlaws of the United States Football League.
On July 22, 1988, he was re-signed by the Cowboys who wanted protect themselves in case Ruzek's contract holdout extended into the regular season.
[8] Zendejas, who made a 47-yard field goal but missed two 49-yarders in the preseason, was released when Ruzek rejoined the team on September 13.
[9] On September 27, 1988, he was signed by the Philadelphia Eagles after Dean Dorsey and Dale Dawson struggled in the first four games of the year.
[11] He was a part of the playoff game against the Chicago Bears famously known as the "Fog Bowl", where he made all of the Eagles' points (4 field goals) in the 12–20 loss.
On November 22, Cowboys head coach Jimmy Johnson alleged that Eagles head coach Buddy Ryan had taken out a "bounty" on two Cowboys players—then-current Dallas (and former Philadelphia) placekicker Zendejas and quarterback Troy Aikman in a game dubbed "Bounty Bowl" played on Thanksgiving Day at Texas Stadium.
[15] After a two-week investigation, the league office issued a statement that they found the Eagles innocent of all charges.
Zendejas finished his career with the Birmingham Barracudas of the Canadian Football League, where he kicked for 144 points in a single season in 1995.