I'm not seeing a conundrum here, for me it's Odogwu first choice then Spink as cover.
We have Bassett, Kibirige, Watson, Minozzi, Hougaard and Mehson as wingers with Crossdale more than capable employed out wide, even if we lose two of those above we are still well covered.
If it wasn't for the fact we have a World Class 13 in Fekitoa, Odogwu would be a shoe-in at Outside Centre every week.