This isn't me being defensive at all, but who would you consider for that back pocket spot? A third tall, a genuine rebounder or more of a lockdown small? And which ones?
If Wanganeen's career started in the mid/late 90s he'd be the best shout. Likewise for Archer. They feel more like 20th century players. But I guess we have Buckley who started '93 and Voss '92. Chris Johnson comes in around here too.
For genuine 21st century centric players: McGovern? Gibson?
With Enright and McLoad back there I am not sure you need another rebounding defender. I mean you could, but you could just as easily go with a proper lock down defender as well.