Nickal won his bout against Zachary Borrego with a rear naked choke 1:02 into the first round.
The terms of the contract have not been released.
With a UFC roster spot possibly at stake, Nickal will fight Zachary Borrego on August 9.
The Penn State wrestling legend knocked out his opponent, John Noland, in 33 seconds.
Kasak boasts an impressive 79-3 record at Bethlehem Catholic High School.
Meredith is the second Nittany Lion to leave the program this offseason, joining Michael Beard.