Gibbs was a highly recruited athlete coming out of Graham High School. He accepted a football scholarship from Texas Christian University, to become part of the school's tradition at quarterback. In college, he was a highly publicized athlete, that was usually mentioned in pre-season All-American teams, but could never reach that type of success. As a sophomore, he shared the quarterback position with Donald George, recording 47 completions out of 111 attempts for 473 yards, 3 touchdowns and 9 interceptions. In 1961, as a junior he registered 71 completions out of 137 attempts for 999 yards, 6 touchdowns and 8 interceptions. He also played a key role in beating the #1 ranked University of Texas and received the Rogers Trophy as the team MVP at the end of the season. As a senior, he was the second leading passer in the conference with 89 completions out of 169 attempts for 1,013 passing yards, 9 touchdowns and 9 interceptions. He played in the East-West Shrine Game, the Hula Bowl and the Chicago College All-Star Game. As a three-year starter, he finished with 207 completions for 2,485 passing yards and 18 touchdowns.
With no first round draft choice in the 1962 NFL Draft, the Dallas Cowboys selected Gibbs in the second round with a future draft pick, which allowed the team to draft him before his college eligibility was over. He was also selected by the Denver Broncos in the 14th round of the 1962 AFL Draft. In 1963, Gibbs entered the league as the tallest quarterback in NFL history. Being the third string quarterback, he wasn't activated for any game of the season. He also developed a close relationship with Don Meredith, where Gibbs tried to emulate his lifestyle. He was waived on September 3, 1964.
Toledo (UFL)
In 1964, he signed with the Toledo Tornadoes of the United Football League at the request of the Dallas Cowboys.
Detroit Lions
Even though he signed a three-year no-cut contract that was honored by the Dallas Cowboys, he was released before the start of the 1964 season. On October 27, 1964, because the Cowboys still held Gibbs rights, the Detroit Lions traded a fourth-round draft choice and paid over US$40,000 to be able to sign him, so he could back up Milt Plum, after Earl Morrall was lost for the year with a broken collarbone. In 1965, he walked away from the NFL, after Gibbs was told that he was going to be traded.
In 1966, he was selected in the Continental Football Leagueexpansion draft by the Brooklyn Dodgers. He played the 1966 season for Brooklyn. Akron Vulcans In 1967, he was picked up by the new Akron Vulcans franchise. Gibbs started 4 games and went 1-3, before the Vulcans folded and Gibbs ended his career. https://www.profootballarchives.com/1967coflakr.html
