Probably get the same effect leaving it in a bag of urine, but I'm damn sure not gonna ruin a prime cut of steak by brineing or marinating it in anything.
I guess if you really just love the flavor of Worcestershire you could go that route, though I'm highly skeptical it compares to sous vide in any case.
Sous vide makes the steak exactly the degree of done you want from surface to surface. Then when you sear after, only the surface gets cooked for that nice char. Cooking via grill, pan-fry, broiler, etc subjects the steak to gradation, where the very center can be rare/medium rare, etc, but a good portion of the meat below the surface is well-done, gradually becoming more rare as you approach the center. And every part that is not rare/medium rare is a percentage of the juice that you're losing.
Also, cooking sous vide allows you to safely cook at, "less well done". Harmful bacteria is killed by heat relative to time subjected to heat. Shorter cooking times require higher heat. With the lower temps of sous vide at the longer times, the bacteria is killed without over-cooking the meat. Since the food never rises above the temp of the water, your food will come out of the bath just the way you want it...no guess work...no careful timing required, etc.
Take burgers as another great example. Most people really like a juicy burger, but most people also know it's risky to eat a burger anything less than well done because, unlike steaks where the really bad bacteria is on the surface (where it is quickly killed off by sufficient heat), in ground meat the bad bacteria is mixed all the way though when it is ground. Traditional cooking requires every part to be well done to be really sure...any pink in burgers carries a risk (people do it anyway, but it is a risk).
But if you cook it sous vide, you can literally have it just about as rare as you could possibly want it and have it be perfectly safe and juicy. Truly, if you want an incredibly juicy burger that you know is safe to eat, sous vide that puppy, then pan-sear it (or hit it with a torch, or use a BBQ charcoal chimney of you want that smoke flavor).