Massive fight breaks out between Michigan and Ohio State players as rivalry game ends in 'classless' violent scenes

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A massive brawl broke out on Saturday after unranked Michigan's upset win over rivals Ohio State - with players pepper sprayed by cops in the aftermath.

After the 13-10 Michigan win over the No. 2 Buckeyes, a group of Wolverines players planted their school flag on the field - considered a major sign of disrespect in college football - and Ohio State players physically confronted them.

Several players could be seen attacking each other at midfield, with punches being thrown before things briefly died down.

However, Michigan's Derrick Moore then re-stoked tensions by planting a Michigan flag on the turf once again.

Ohio State's Jack Sawyer responded by ripping the flag, and more violence ensued between the two sides.

Violence erupted after Michigan's shock win over rivals Ohio State on Saturday afternoon

Michigan's Derrick Moore re-stoked tensions by planting a Michigan flag on the field again

Michigan players appeared to be pepper sprayed by cops in the aftermath of the fight

Furthermore, Fox Sports footage showed two Michigan players had seemingly been pepper sprayed during the chaos.

Video from WDTN's Joey DeBerardino also clearly shows pepper spray being used by police, while Sports Illustrated's Pat Forde said 'a lot' of people on both teams had been pepper sprayed.

Michigan's Kalell Mullings told Fox Sports after the game that Ohio State's fighting was 'classless.'

'For such a great game, you hate to see stuff like that after the game,' he said. 'It's just bad for the sport, bad for college football.

'But at the end of the day, some people gotta learn how to lose man. You can't be fighting and stuff.'

Ohio State coach Ryan Day, meanwhile, stood by his players.

'I don't know all the details, but I know these guys were looking to put a flag on our field and we're not going to let that happen,' he told reporters.

Michigan coach Sherrone Moore was also asked about the concept of 'losing gracefully.'

Michigan defensive end Chibi Anwunah is escorted off the field after being pepper sprayed

Davison Igbinosun of the Ohio State Buckeyes grabs a Michigan flag following his team's defeat

'We didn't lose, we won, so I don't know,' he said.

Moore and other Michigan coaches could be seen trying to break up the fight 

The Wolverines were 19.5-point underdogs but kicked a go-ahead field goal with 45 seconds remaining before forcing a turnover on downs and winning the game.

It's the fourth straight year Ohio State has lost to Michigan. 

And incredibly, it's just the second time in the history of the rivalry that an unranked Michigan team beat a ranked Ohio State team on the road, per Fox Sports research.