Speaking of efficiency margin, here's the updated B1G efficiency through 1/5 games:
Things are still early, but the best teams are starting to push towards the top and the worst teams are falling to the bottom. Iowa and Oregon are going to take a while to stabilize after the blowouts they took early. Here's how I'd rank the B1G teams as of today:
Tier 1 - National contenders
1. Illinois - Overall best team by efficiency metrics, with a solid non-con that should keep them as a top 4 seed in the NCAA.
2. Michigan - 2 road wins like Illinois, but no losses yet. Second best team by efficiency metrics and viable for a top 4 seed.
Tier 2 - Solid NCAA tournament teams, could challenge for conference title
3. Michigan State - If the only games that counted were conference games, they'd be #1. If they can keep up this level of play throughout conference, they can win.
4. UCLA - Overall solid, good non-con wins, good road win at Oregon, aren't really blowing anyone out.
5. Purdue - Sketchy non-conference performance overall, but got the good Alabama win and blew out Minnesota on the road and NW at home to climb into contention.
6. Oregon - Two early home losses will hurt their ambitions for conference championship, but one of the best non-con resumes in the country. Can still contend, but dug themselves a hole.
Tier 3 - NCAA tournament teams, but a step behind the rest
7. Wisconsin - Good week to re-establish themselves as an upper-half B1G team.
8. Maryland - Rough week out west, paper thin non-conference resume, need to pick up some wins to solidify their spot as a potential top-8 tournament seed.
9. Nebraska - Good win over UCLA, solid resume overall, going to take a bit to overcome that MSU clobbering.
Tier 4 - NCAA tournament bubble
10. Indiana - They've played by far the easiest schedule so far in the B1G, but hey, they have won their games against Rutgers, PSU and Minnesota. Still probably one of the most talented teams in the country, they just have no idea how to play basketball as a unit effectively.
11. Penn State - Right on the edge of the bubble now, really could have used that home win against Indiana. Fortunately they've got a sure thing Q1-A win opportunity coming up this week to solidify their spot.
12. Ohio State - Some good non-con wins to keep them in the conversation but boy, they've really thrown out some clunkers this season.
13. Northwestern - Rough opening conference schedule with some unfortunate close calls. The win over Illinois keeps them in the conversation for the NCAAs but they do have to start putting up some wins here soon.
14. Iowa - A buzzer beater at home away from being winless in conference. Completely run off the court by Wisconsin. Neutral non-con wins over Washington State and Utah, who aren't great but count as Q2 wins to help the resume.
Tier 5 - B1G tournament bubble
15. USC - Two home losses and a road win in conference so far. Paper-thin non-conference schedule where they lost the only games of relevance (St Mary's, New Mexico, Cal). Still, road win counts in this group.
16. Rutgers - They've yet to get a really good win this season. They have two great players, but lost at home to Princeton and were non-competitive against two bubble teams in road games in the B1G. Probably a better team than USC but they have to actually show something.
17. Washington - Hey, they won a game in conference! That in itself is enough to separate themselves from Minnesota for the time being, where they're not automatically not making the B1G tournament.
Tier 6 - Better luck next year
18. Minnesota - Just so bad. Dawson Garcia is good, nothing else is good, and have somehow separated themselves as the worst team in an 18-team conference.