Usual John submitted this Lockhorns comic as a CIDU, asking: “Why would you get a “W” imprint from charging the net? Also, is there some significance to the doctor’s name, ‘H. Blog’ ?“
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The word “charging” probably was supposed to mean that Leroy hit something that left an impression, but just like Usual John, I cannot think of anything on a basketball court (let alone a net) that would produce such a mark. In addition, even if there were something that would have done so, the image of the “W” (from the Wilson logo) should have been reflected:
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P.S. I also wonder whether there was a particular reason that the authors chose “Wilson” (instead of “Adidas”, “Nike”, or “Puma”).
Comics I Don't Understand 
“Charging the net” and a Wilson logo mean tennis to me, not basketball. There it would be to come in close rather than hang out on the baseline.
Without thinking too hard, I’d just assume Leroy tried to charge, tripped, and fell on his racket. And I’d ignore the (not) reversed W.
My guess would be that he got hit in the face with the tennis ball while charging the net. That would mean that the logo would have to be reversed, though.
Perhaps he got hit with his opponent’s racket…of course, the logo on the racket is not embossed or solid.
I looked for “Charging the net” in volleyball. It’s not a term used there, despite the confident AI results. The W is too small for a tennis racket. Maybe a homemade pickleball paddle with wet paint?
And as for the doctor’s name, whether or not there is a special reason for it at the time of origin, at this point we must just say that has always been the doctor’s name on “The Lockhorns“.
There has been the suggestion of a flip across the vertical axis. But could it somehow be an upside-down M?
The classic joke locus of that idea wouldn’t work for this context, as it involves a college woman and her letter-man boyfriend – someone seeing a W impression on her torso jokes that that’s what she gets for snuggling with a Wisconsin guy, but she clarifies that he goes to Michigan.
The W should be backwards, but Wilson+Tennis in my mind. Also, there is a family story of how my father-in-law, crowing over his victory, ran forward to jump over the net, did not clear the net, and broke his ankle. So, this fits…
Wiiiiiiilllsooooonnnn!
I know “charging the net” from volleyball, and so Leroy got a volleyball spiked into his face. This is a view of a mirror universe, so the W isn’t mirrored from our point of view. (Of course, why doesn’t mirror universe Leroy have a goatee to indicate he is evil?)
It is a logo for Wilson, the sporting goods company. He tried to play a sport with a net (my first thought is tennis, but it doesn’t matter), was clumsy, and ended up with the logo imprinted on his face by slamming into the net or something else with the W emblem on it. End of joke.
Sure, it should be reversed if comics were required to be based on reality. Hint: they aren’t.
It seems to me, the “net” that he charged was the netting in the tennis racket. As for whether the logo should be reversed, it depends on which side of the racket he hit.
@Brian R. (9): Leroy is always evil.
Perhaps he got hit with his opponent’s racket
That was my immediate thought. Worrying about the correct size and orientation of the logo in a comic strip isn’t too productive. The artist needs to fit into place and make it obvious to the reader.
The logo on the handle of my Wilson Sting Graphite (40 years old?) is raised.
Maybe Leroy is using a super old racket as well.