Athletic director Mike Hamrick announced Monday that Holliday's contract now runs through the 2017 season.
Holliday is 27-24 at Marshall and coming off a 10-4 season. His base salary of $600,000 will stay the same but his new deal increases his incentives to a total of $145,000 if they are reached.
Holliday will receive a $30,000 bonus for conference championships and $30,000 for each bowl appearance, both an increase of $10,000 from his previous contract.
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