The Miami Dolphins selected Mitchell in the fourth round (122nd overall pick) of the 1995 NFL Draft, but traded him during training camp to the Jacksonville Jaguars in exchange for wide receiver Mike Williams. Mitchell played for the Jaguars from  to . In his first four seasons for the Jags, he became the team's regular starter at tight end.
The Miami Dolphins selected Mitchell in the fourth round (122nd overall pick) of the 1995 NFL Draft, and subsequently traded him to the Jacksonville Jaguars during training camp for Mike Williams. Mitchell played for the Jaguars from  to . He established himself as the team's regular starter at tight end over his first four seasons.