2012–13 Big Ten Conference men's basketball standings
	Conf				Overall
Team	W		L	PCT	W		L	PCT
#4 Indiana	14	–	4	.778	29	–	7	.806
#7 Ohio State †	13	–	5	.722	29	–	8	.784
#9 Michigan State	13	–	5	.722	27	–	9	.750
#10 Michigan	12	–	6	.667	31	–	8	.795
#18 Wisconsin	12	–	6	.667	23	–	12	.657
Iowa	9	–	9	.500	25	–	13	.658
Illinois	8	–	10	.444	23	–	13	.639
Minnesota	8	–	10	.444	21	–	13	.618
Purdue	8	–	10	.444	16	–	18	.471
Nebraska	5	–	13	.278	15	–	18	.455
Northwestern	4	–	14	.222	13	–	19	.406
Penn State	2	–	16	.111	10	–	21	.323

† 2013 Big Ten Tournament winner Rankings from AP Poll

The 2013 Big Ten Conference Men's Basketball Tournament was held from March 14 through March 17 at United Center in Chicago, Illinois. The tournament was the 15th annual Big Ten Tournament and second to feature 12 teams. The championship was won by Ohio State who defeated Wisconsin in the championship game. As a result, Ohio State received the Big Ten's automatic bid to the NCAA Tournament. The win marked Ohio State's fourth tournament championship, though one championship has since been vacated.

All 12 Big Ten schools participated in the tournament. Teams were seeded by conference record, with a tiebreaker system used to seed teams with identical conference records. Seeding for the tournament was determined at the close of the regular conference season. The top four teams received a first-round bye. Tiebreaking procedures were unchanged from the 2012 tournament.

Seeding for the tournament was determined at the close of the regular season.

*Game times in Central Time.

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