Mad Dash: LeBron James gets a kick out of meme about him

LeBron James is no stranger to memes about him flooding the web, and he continues to handle them like a champion. In response to his new mustache, a meme bas blown up around it, with "Stepdad LeBron" and "Mechanic LeBron," the latter of which James enjoyed so much himself that he had to Instagram about it. His sense of humor and defiant stance on the mustache are pretty great, even if the jury is still out on that mustache. But if we keep getting these great jokes, it's worth it.

Lucas Etter is incredible at solving Rubik's Cubes. How incredible? Check out how fast he solves this one and the reaction afterward from his classmates. Seriously, watch it. It takes him less than five seconds. That's amazing. We'll now spend the rest of our day feeling like failures.

The NASCAR season is over, so it's time for the drivers to kick back a bit. Dale Earnhardt Jr. is ready, and he kicked off his vacation time with a tremendous cannonball that he shared on Twitter. We're giving it an 8.5 out of 10 since he hit the water at too much of an angle for maximum splash, but don't worry, he's got a couple months to get it right before the Daytona 500.

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The Yahoo Sports Mad Dash is a roundup of the morning's trending stories from across the sports landscape. Check it out every day to see what's buzzing.