A clear top two followed by a talented field make up the 105-pound ranks as we get 2016 going.
Donnie Nietes emerged from 2015 with an even stronger grip on the division's top spot, thanks to some controversy below him.
Just like there's a lot more than corn in Indiana, there's a lot more to the flyweight division than Chocolatito Gonzalez. But just as there is mostly corn in Indiana, Gonzalez is the clear ruler of this division.
Naoya Inoue and Carlos Cuadras lead a mixed bag at 115 pounds, with plenty of veteran names mixed in with a lot of young fighters on the way up.
Who is this mysterious Shinsuke Yamanaka of the Orient? He's the No. 1 bantamweight in the world, though challengers for the throne are there.
The top of the division is strong but stayed put this year, and the hope is that youth will add depth to the 122-pound ranks in 2016.
Vasyl Lomachenko leads a division with plenty of quality fighters, and one that could stand more quality fights.
The 130-pound division doesn't get a lot of publicity, but the Fight of the Year and two more strong Fight of the Year candidates came from this division in 2015.
The 135-pound ranks have become a highly competitive, pleasantly muddled division that could look totally different by the end of 2016.
Terence Crawford and Viktor Postol staked their claims as the top guys in another division that experienced some significant changes in 2015.
This stream has:
We saw the end of an era, the potential beginning of the end for some other top fighters, and overall a year of tremendous change in professional boxing.
We finally got what we wanted in the welterweight division this year, and now major turnover has begun with the top two stars of the era either retired or close to doing so.
There's no true top star in the 154-pound ranks now that Canelo Alvarez is gone, but there's still talent here, and plenty potentially on the way.
New stars, new titleholders, big fights, and a big crop of prospects highlighted 2015 in the middleweight division.
Just a few years back, the super middleweight division was one of the deepest in boxing. Now, it's in a state of transition.
The top light heavyweights were largely stagnant in 2015, but there appears to be change coming in the form of some top prospects and some rising contenders.
Call it boxing's eternally overlooked division (at least north of super flyweight). The cruiserweights provided some thrills again in 2015, and top fighters didn't shy away from tests.
It was a year of change for the heavyweights, as Tyson Fury supplanted Wladimir Klitschko at the top of the division, Deontay Wilder and Luis Ortiz arrived as serious players.