If you’ve listened to Serengeti, you know he’s a fan of baseball. It’s just not a Serengeti album without a “Hawk Dawson” reference – and tell me another rapper that has name-dropped Jeff Pico.

It’s been a busy year for the Chicago-bred emcee, who talked sports with me back in January. In March, he teamed with Sufjan Stevens and Son Lux on the Beak & Claw EP. In April, he dropped the Kenny Dennis EP, on which he raps as his Windy City superfan alter ego. More recently, Serengeti released C.A.R., another highly personal/vulnerable glimpse into his life (buy this album).

Now we have a new 7-inch for Georgia label Graveface’s charity series. The A-side, “Be a Man,” is a collaboration with Tobacco and the B-side features two tracks with Advance Base (aka Owen Ashworth, formerly known as Casiotone for the Painfully Alone). So how does baseball fit into this? Proceeds of sales of the 7-inch will benefit the R.B.I. (Reviving Baseball in Inner Cities) program.

Get a listen to a “Be a Man,” which will be available at digital retailers on Aug. 28. Also: Serengeti supports WHY? at Crescent Ballroom on Monday night. Be there.