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.
Taylor is partnering with sports merchandise company FOCO to produce the company's first-ever Olympic Wrestling collectible bobbleheads.
Nickal is 2-0 so far in his amateur MMA career.
Penn State's two-time national champion at 133 pounds is coming back for more.
"With graduating this spring and having a pretty serious back injury recently, I have decided to step away from the sport of wrestling," Edsell said.