1991: Quarterback Warren Moon of the Houston Oilers drops back to pass during the Oilers game versus a Denver Broncos at Mile High Stadium in Denver, CO. (Icon Sportswire via AP Images
1991: Quarterback Warren Moon of the Houston Oilers drops back to pass during the Oilers game versus a Denver Broncos at Mile High Stadium in Denver, CO. (Icon Sportswire via AP Images
1991: Quarterback Warren Moon of the Houston Oilers drops back to pass during the Oilers game versus a Denver Broncos at Mile High Stadium in Denver, CO. (Icon Sportswire via AP Images
1991: Quarterback Warren Moon of the Houston Oilers drops back to pass during the Oilers game versus a Denver Broncos at Mile High Stadium in Denver, CO. (Icon Sportswire via AP Images
1991: Quarterback Warren Moon of the Houston Oilers drops back to pass during the Oilers game versus a Denver Broncos at Mile High Stadium in Denver, CO. (Icon Sportswire via AP Images
12/08/1991 - Houston Oilers vs. Pittsburgh Steelers. First - At Last! Oilers quarterback Warren Moon signals who's No. 1 after the AFC Central-clinching win over the Steelers. (AP Photo/Houston Chronicle, Dave Einsel
1991: Quarterback Warren Moon of the Houston Oilers drops back to pass during the Oilers game versus a Denver Broncos at Mile High Stadium in Denver, CO. (Icon Sportswire via AP Images
1991: Quarterback Warren Moon of the Houston Oilers drops back to pass during the Oilers game versus a Denver Broncos at Mile High Stadium in Denver, CO. (Icon Sportswire via AP Images