Olson held the same position the last two seasons with the Raiders .
Wisniewski , 26 , has started all 61 games of his career and will be reunited with offensive coordinator Greg Olson who was hired as the Jaguars offensive coordinator in January .
offensive coordinator held the same position the last two seasons with the Raiders .
Wisniewski , 26 , has started all 61 games of his career and will be reunited with offensive coordinator Greg Olson who was hired as the Jaguars offensive coordinator in January .