Photograph of Cutters Twisty Lady, ridden by an unidentified rider, competing in the 1991 National Cutting Horse Association Summer Cutting Spectacular held at Will Rogers Coliseum in Fort Worth, Texas.

Photograph of Dallas Easy Ms, ridden by an unidentified rider, competing in the 1991 National Cutting Horse Association Summer Cutting Spectacular held at Will Rogers Coliseum in Fort Worth, Texas.

Photograph of Dallas Easy Ms, ridden by an unidentified rider, competing in the 1991 National Cutting Horse Association Summer Cutting Spectacular held at Will Rogers Coliseum in Fort Worth, Texas.

Photograph of Dallas Easy Ms, ridden by an unidentified rider, competing in the 1991 National Cutting Horse Association Summer Cutting Spectacular held at Will Rogers Coliseum in Fort Worth, Texas.

Photograph of Danas Last Fantasy, ridden by an unidentified rider, competing in the 1991 National Cutting Horse Association Summer Cutting Spectacular held at Will Rogers Coliseum in Fort Worth, Texas.

Photograph of Danas Last Fantasy, ridden by an unidentified rider, competing in the 1991 National Cutting Horse Association Summer Cutting Spectacular held at Will Rogers Coliseum in Fort Worth, Texas.

Photograph of Danas Tivio Sailfish, ridden by an unidentified rider, competing in the 1991 National Cutting Horse Association Summer Cutting Spectacular held at Will Rogers Coliseum in Fort Worth, Texas.

Photograph of Dixieland Docs Per, ridden by an unidentified rider, competing in the 1991 National Cutting Horse Association Summer Cutting Spectacular held at Will Rogers Coliseum in Fort Worth, Texas.

Photograph of Dixieland Docs Per, trained and ridden by an DeWayne Stamper, competing in the 1991 National Cutting Horse Association Summer Cutting Spectacular held at Will Rogers Coliseum in Fort Worth, Texas.

Photograph of Dixieland Docs Per, ridden by an unidentified rider, competing in the 1991 National Cutting Horse Association Summer Cutting Spectacular held at Will Rogers Coliseum in Fort Worth, Texas.

Photograph of Dixieland Docs Per, ridden by an unidentified rider, competing in the 1991 National Cutting Horse Association Summer Cutting Spectacular held at Will Rogers Coliseum in Fort Worth, Texas.

Photograph of Doc Blue Gal, ridden by an unidentified rider, competing in the 1991 National Cutting Horse Association Summer Cutting Spectacular held at Will Rogers Coliseum in Fort Worth, Texas.

Photograph of Doc Blue Gal, ridden by an unidentified rider, competing in the 1991 National Cutting Horse Association Summer Cutting Spectacular held at Will Rogers Coliseum in Fort Worth, Texas.

Photograph of Doc Folena, ridden by an unidentified rider, competing in the Non-Professional Finals of the 1991 National Cutting Horse Association Summer Cutting Spectacular held at Will Rogers Coliseum in Fort Worth, Texas. As of December 27, 2012, Doc Folena (American Quarter Horse Association ID #2384762) has earned $75,419.68 in NCHA dollars.

Photograph of Doc Folena, ridden by an unidentified rider, competing in the Non-Professional Finals of the 1991 National Cutting Horse Association Summer Cutting Spectacular held at Will Rogers Coliseum in Fort Worth, Texas. As of December 27, 2012, Doc Folena (American Quarter Horse Association ID #2384762) has earned $75,419.68 in NCHA dollars.

Photograph of Doc Folena, ridden by an unidentified rider, competing in the Non-Professional Finals of the 1991 National Cutting Horse Association Summer Cutting Spectacular held at Will Rogers Coliseum in Fort Worth, Texas. As of December 27, 2012, Doc Folena (American Quarter Horse Association ID #2384762) has earned $75,419.68 in NCHA dollars.

Photograph of Doc Persnickety, ridden by an unidentified rider, competing in the 1991 National Cutting Horse Association Summer Cutting Spectacular held at Will Rogers Coliseum in Fort Worth, Texas.

Photograph of Doc Persnickety, ridden by an unidentified rider, competing in the 1991 National Cutting Horse Association Summer Cutting Spectacular held at Will Rogers Coliseum in Fort Worth, Texas.

Photograph of Doc Supremes Paint, ridden by an unidentified rider, competing in the 1991 National Cutting Horse Association Summer Cutting Spectacular held at Will Rogers Coliseum in Fort Worth, Texas.

Photograph of Docs Fizzabar, ridden by an unidentified rider, competing in the 1991 National Cutting Horse Association Summer Cutting Spectacular held at Will Rogers Coliseum in Fort Worth, Texas.

Photograph of Docs Fizzabar, ridden by an unidentified rider, competing in the 1991 National Cutting Horse Association Summer Cutting Spectacular held at Will Rogers Coliseum in Fort Worth, Texas.

Photograph of Docs Fizzabar, ridden by an unidentified rider, competing in the 1991 National Cutting Horse Association Summer Cutting Spectacular held at Will Rogers Coliseum in Fort Worth, Texas.

Photograph of Docs Golden Playboy, (possibly) ridden by Bronc Willoughby, competing in the 1991 National Cutting Horse Association Summer Cutting Spectacular held at Will Rogers Coliseum in Fort Worth, Texas. As of December 27, 2012, Docs Golden Playboy (American Quarter Horse Association ID #2617538) has won $18,405.90 in NCHA dollars.

Photograph of Docs Hickory Chips, ridden by an unidentified rider, competing in the 1991 National Cutting Horse Association Summer Cutting Spectacular held at Will Rogers Coliseum in Fort Worth, Texas.