Sirloin steak от John Spottiswood

The sirloin is near the rump, so the meat's a bit tougher than cuts from the loin or the rib. There are several different sirloin steak cuts, named for shape of the hip bone that's left in them. Going from fore to aft, there's the tender but bony pin bone sirloin, which is right next to the Porterhouse on the carcass, the flat bone sirloin, the round bone sirloin, and finally the wedge bone sirloin, which is closest to the rump and therefore least tender. A boneless sirloin steak is sometimes called a rump steak = butt steak. Sirloin steaks are usually grilled or broiled. Don't overcook them or they'll lose much of their flavor.