Yes and no.
I agree the legwork of defense takes time and so am not at all surprised to see it postponed. FWIW (little?) the last time he popped it took 3 weeks for Jones' team to find and submit the "dick pills", so it didn't take this long last time. I realize circumstance might have been different, but more likely is that they're still looking to find a "tainted supplement".
But I disagree that it'll do him any good. I think if this were Jones' first failed test then he might be able to game the system enough to get a reduced suspension. However, it didn't work the first time he tried it, where he received the maximum suspension and was found "reckless", even though he tried to argue his case was similar to Means and Romero's tainted supplement cases (the arbitration panel disagreed). Heck, his dick pill excuse was pretty simple but yet Jones and his people couldn't even get that story consistent. There were multiple inconsistencies and of course it never passed the sniff test (Jones' is at the gym and asks a teammate for a single dick pill, which the teammates gets out of his car and gives to Jones, who then proceeds to swallow it right then and there without even questioning anything).
BTW, the full 29 page Arbitration Report from Jones' first "dick pill" failure can be found here (it's an interesting read):
http://thewhitebronco.com/wp-content/uploads/2016/11/Jon-Jones-Arbitration-Decision.pdf
Last time Jones requested Arbitration about a month after his failed test, so I wonder if this time he's going to go the normal route or if at some point in the process he'll request arbitration? It took 3 months from the date arbitration was requested until the decision was written, so that's maybe an indicator of a potential future timeline (i.e. decided no sooner than Feb. 2018 and no later than May 2018).
To me there are 2 keys, both would need to happen for a reduction in sentence, and I doubt either do:
1. Jones has to find a supplement that has turinabol in it
2. It must be a supplement that Jones declared on his "Doping Control Form"
Either of the above don't help without the other. Jones was found "reckless" and even if he found a tainted supplement, if he didn't put it on the form minutes prior to the test, he's screwed. According to the Arbitration Decision Jones has been inconsistent with what he's declared taking. He declared he was taking no substances on 12-8-15, 12-22-15, 3-4-16, 3-25-16, 4-4-16, 6-16-16 (the test he failed). However, one time (4-23-16) sandwiched in all those test dates, he declared 8 substances. So IMO Jones likely takes a bunch of supplements (and roids) but is too lazy to list them like he's supposed to. The one time he did list 8 substances, I'm guessing he was worried about failing (due to his cycle) and tried to cover his butt and set the ground work for a tainted supplement defense by listing 8 items.
Those 2 points are just the beginning though. Beyond that he'll need receipts/container for said supplement and USADA will have to verify it with Jones' provided supplement sample, as well as an independently sourced bottle of the supplement. Complicating matters is the fact that the supplement needs to have turinabol in it, but
not any other banned substances (since he didn't fail for any others). The tainted supplements I'm familiar with tend to be tainted with multiple unlabelled substances, not just one. And the "dick pills" were found to have 3 banned substances, yet Jones tests only showed 2. Then there's his questionable blood work and other outside the cage history which could also play into Aggravating Circumstances.
By now, I'd think that USADA would have enough testing history on Jones and his Biological Passport to really dig into his samples. Fortunately for Jones, USADA probably doesn't have access to his pre-USADA samples or they'd go back and retest those. Remember, USADA has gone back and retested Olympic samples and busted a TON of athletes that originally tested "clean". Certainly Jones' tests from the first DC fight had some abnormalities, but that was pre-USADA so not much help now.
Again, I'll say IMO Jones gets minimum 4 years but probably will get 4-6 months additional tacked onto that (thus my assertion he'll get suspended 48-54 months). And of course Jones will continue to be tested that whole time and we know he won't be able to go that long without f@cking up, so likely Jones will never fight again (though he may some day with the UFC's permission, do WWE).