I wouldn't be interested in any of the swaps proposed on here. It's also not just about the prospects vs Contreras, you also need to take the opportunity cost of the ~$6m (And probably $8-9m at least in 2022) Contreras is due. So is two years of Contreras going to be worth more to the Brewers than the potential 12 years of Turang + Feliciano? Reasonable people can disagree, and we're all just making more or less informed guesses, but a strong case can be made for the trade just looking at it that way. However, the $6m + $8m needs to factor in too. So assuming that money is there (There would be no trade either if it wasn't), I think Brewers get more out of spending that on 1B and 3B while holding on to their prospects. Even with Narvaez' struggles with the bat, Brewers put up above average production at C, and are likely to do so again. Whereas right now, Urias and Vogelbach are the corner IF starters, backed up by, I guess, Lucas Erceg, Mark Mathias, Dustin Peterson and Zach Green. Now if we could expect the Brewers to have $15m or more to spend, then I might have a different opinion as you could strengthen both areas. But with what seems like tight pursestrings, I think it'd be a mistake to use what little money there is on Contreras. And this is from the perspective of not being very high on Turang and Feliciano. If one was to think it more likely than not that they're average starters or better, the idea would fall even sooner.

I've also realised that I generally find myself not liking many trades for players with 2 years of control remaining. Seems to me like the asking price is rarely all that much less than for 3+ years, and you not only get fewer games from the player, but also pay more on average. I much prefere more longer term trades even if it costs, or opportunistic rentals. The inbetween doesn't seem all that great most of the time.