Pickett's 29 points on January 5 are tied for the fifth-most a Nittany Lion has ever scored in the NBA.
Denmark, who initially stated his intentions to stay in Happy Valley, is headed to Virginia Tech.
Lustig is the son of Penn State special teams coordinator Justin Lustig.
Fleming is one of 29 goalies on the midseason watch list.
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.