6a (j)Iffy (first item from "second")
13d Albatross - one (shot) better than eagle; golf
17a Niobe - 'i' (one, draped in) 'ebon' (black) (all back)
21d Sledge - insult batsman & bob(sleigh)
24a No-good - 'nod' (make mistake, accepting) 'goo' (sentimentality)