Long before the Splash Brothers, there were the Bash Brothers — Jose Canseco and Mark McGwire, two muscle-bound hulks who swatted massive home runs for the Oakland A’s and, um, reportedly did so with the aid of steroids.

In honor of the 30th anniversary of the A’s 1989 championship season, The Lonely Island comedy/musical trio — Andy Samberg, Jorma Taccone, and Akiva Schaffer — have dropped on Netflix a 27-minute special called “The Unauthorized Bash Brothers Experience.” They describe it as a “visual poem,” but “Casey at the Bat” this ain’t.

The special is essentially a collection of music videos in which Samberg and Schaffer — playing Canseco and McGwire, respectively — perform some hilarious, profanity-laced raps, among other things. Just one problem: These smart alecks from Berkeley can’t quite fill out their uniforms the way the Bash Brothers did.

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Prince Harry and Meghan Markle sign royal Netflix deal In a statement released by Netflix, the Lonely Island calls the project “a love letter” to their childhood heroes. But there’s also plenty of derisive skewering of the baseball bad boys, with numerous references to performance-enhancing drugs (“Make me a god with the chemical sciences …”) and the ill effects they can bring on (“Kidney failure is just part of the game …”).

Canseco, who wrote a book in which he admitted steroid use, actually noted in a Tweet that he “loved” the video and couldn’t “stop Laughing.” The Lonely Island tweeted back, saying the endorsement “genuinely made our year.” (Somehow, we think McGwire won’t find it quite as amusing).

This tweet genuinely made our year. We love you. Thank you, sir! https://t.co/FEVIgDp3ML — The Lonely Island (@thelonelyisland) May 23, 2019

The Lonely Island crew became famous for their filthy musical parodies (Recall the Emmy-winning “D— in a Box”) while Samberg was a cast member of “Saturday Night Live.” Their Netflix special imagines a world in which Canseco and McGwire recorded a rap album at the height of their fame. Bay Area viewers will get a kick out of dreamy visuals of the Oakland Coliseum and gliding BART trains, as well as local references to Blackhawk, the Hilltop Mall and more. Lonely Island is also releasing a “Unauthorized Bash Brothers” album.

Samberg, Taccone, and Schaffer all grew up in the East Bay and became pals while attending Berkeley High School. Taccone is the son of Berkeley Repertory Theatre artistic director Tony Taccone.

“The Unauthorized Bash Brothers Experience” is executive produced by Samberg, Schaffer, Jorma Taccone and Becky Sloviter, and directed by Schaffer and Mike Diva.