There's something about the summer that just brings out the violence. Less than 24 hours after Hisaki Kato stunned Joe Schilling with a ridiculous one-punch knockout, Thiago Santos submitted his own entry to 2015's shortlist for 'Knockout of the Year.' Watch Santos absolutely floor Steve Bosse with grisly head kick just 29 seconds into their UFC Fight Night 70 main card bout above, courtesy of FOX Sports.
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