Grunkemeyer impressed in seven starts after taking over for an injured Drew Allar.
Landry is the latest coach to follow Matt Campbell from Iowa State.
Another Nittany Lion heads down to Blacksburg.
Penn State's depth is being stretched thin as they prepare for Notre Dame.
Huggins completes the first core staff of Matt Campbell's Penn State tenure.
After stops at Penn State and Missouri, Pribula will finish his collegiate career in Charlottesville, Virginia.