5 glass cannons in the UFC

#2. Former UFC heavyweight champion Andrei Arlovski

A veteran mixed martial artist whose career dates back to 1999, Andrei Arlovski's first step into the MMA world began with a knockout loss.

In his 20 career losses thus far, Arlovski has lost 11 by KO/TKO, while 17 of his 34 victories came by knockout. The former UFC heavyweight champion has always been fairly powerful, only going to decision once in the first 16 fights of his career. However, as powerful as Arlovski was, his chin was simply unable to absorb punishment in return.

For the longest time, the Belarusian seemed incapable of withstanding any blow to the head, almost always being rocked, wobbled or outright knocked unconscious in every loss he faced. After some time, Arlovski committed to sharpening his defensive striking and being less aggressive in order to avoid exposing himself to counters. It worked to great effect as the 43-year old is currently riding a 4-fight win streak.

Alas, even Arlovsi's wins feature moments where he's either knocked down or wobbled. Were it not for his newfound focus on defense, the former UFC champion would likely have suffered more than 11 knockout losses.

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#1. Cody Garbrandt

Today, Cody Garbrandt seems a distant shadow of the undefeated fighter who finally dethroned Dominick Cruz to capture UFC gold.

After years of trying, Team Alpha Male produced a fighter many believed would herald a new era for the UFC bantamweight division. Garbrandt was 11-0 with 9 of his wins being KO victories. With lightning-fast hand speed and brutal punching power, Garbrandt looked unstoppable.

However, the former champion's subsequent loss to T.J. Dillashaw revealed an alarming habit: once Garbrandt is hurt by a strike, he commits to a wild brawl that his chin is ill-equipped to withstand. Out of his 5 losses, Garbrandt has been KO'd 4 times, meaning he has lost by knockout almost half as many times as he's knocked others out due to his 10 KO wins.

Not only does the former bantamweight champion get knocked out, but he also gets wobbled and dropped multiple times throughout his bouts, rendering him just as likely to get KO'd as he is to KO others. The brutality of his losses were such that at one point in time, members of the MMA media questioned Dana White on whether Garbrandt should possibly consider retirement.