Motherwell caretaker Stevie Frail says it is “sad” that Stuart Kettlewell, “an exciting young coach and manager”, had felt he had to resign following abuse from a “very small minority” of the club’s supporters.Motherwell caretaker Stevie Frail says it is “sad” that Stuart Kettlewell, “an exciting young coach and manager”, had felt he had to resign following abuse from a “very small minority” of the club’s supporters. BBC Sport