Ah, you called me a troll but you're the troll argument. Wonderful! I am not the one who has spent a week trying to hammer home the same off base point. But I digress
You keep talking about 2017. Let's go back to the trade deadline of 2016, we were dealing off a bunch of veterans and watched two icons retire. Our team was being handed over to the kids. It usually takes a few years for rookies with promise to reach their potential. We had our eye towards 2019 with the hopes of being relevant enough to keep the fans coming for 2017 and 2018 and getting under the cap in 2018, which we are still doing. No pinstripes glasses Yankee asskisser could have predicted what we would do in 2017, but I digress. We dealt off a reliever for a 5 star blue chipper who just debuted in AAA and a lefty starter with 3 plus potential pitches and a mid 90s fastball who was in High A ball. Both players were in the top 100 of practically every list on all sites. We also got two fireballing relievers, one of which is already on our 40 man. The return was insane at the time for a reliever.
Now, let's fast forward to 2017. We make it to the ALDS and we face Andrew Miller. A lefty on our team takes him deep and we end up beating the Indians in the series. If that reliever isn't Andrew Miller, then maybe we don't take him deep? If Miller is on our team, maybe he gives us the homer? Maybe we do, who knows. But not having Miller allowed a team picked LAST by most pundits to be one win away from the ALCS! I'll take it.
Now, let's look at the two prospects you "don't like" as if you are some prospect guru.
Clint Frazier is by all accounts, a 5 tool outfielder. Frazier made his big league debut at the ripe age of 22 years old, a common age for a player to be drafted, let alone making his big league debut. His first month in the bigs, he slugged .539 with 4HRs, 3 triples, and 6 doubles. That's damn good for a 22 yr old making his debut. He played 6 out of the next 8 games, scuffled and then didn't play in the bigs for over a month. He came back in September, didn't get regular PT and scuffled. His debut was a success IMO. With regular playing time, he showed his quick hands and his power. What 22 yr old isn't going to struggle with limited time. That theory is preposterous. Now, how will he end up? Nobody really knows. He's now a 23 yr old who is still a rookie who currently looks to be spending 2018 in AAA for some more seasoning. In AAA, he showed 20+HR power, 20+SB (projections) and a really good eye (which he didn't show in his big league debut). What else could you want? You don't like him, I get that, but labelling a 22 yr old whose only actual month of PT showed solid numbers a platoon player is hoping for failure, which you clearly are.
In terms of Sheffield, you must be hoping for an injury, because his season was solid and he has dominated his two starts in the hitter friendly AFL. Here's a Keith Law excerpt
"• The Yankees also sent several big arms to the AFL, led by lefty Justus Sheffield, who is making up for innings he lost during the season to an oblique injury. Sheffield was absolutely filthy in his AFL debut, sitting 94-96 with a plus slider at 86-87 and above-average changeup at 86-89, better at the 86-87 part of that range. He's always been athletic with a good delivery that's online to the plate, but now his arm looks faster than ever, and he has a real breaking ball in the slider -- he didn't throw a curveball at all. He was on my top 100 last winter on the promise of his athleticism and changeup, but now he's got more fastball and a potential out pitch in the slider"
This is from a guy who has actually seen him, which I presume you haven't. FSB, I get it. You're upset that your heavily favored preseason team slumped in the playoffs and you watched a young Yankee team picked last come within a game of the world series. I understand you must be hurt and frustrated. But don't distort reality. The deal for Miller at the time was sensational. Our future because of that deal is much brighter than it would be to have Miller on a 1 yr deal going forward. I will defend that for sure