Justin Maass,cq,(JUSTIN MAASS) has thrown his rope around the neck of this calf and is getting ready to get off and tie him up in the arena Saturday February 20, 2010,cq,(SATURDAY FEBRUARY 20, 2010) in Tucson, Arizona at the Tucson Rodeo Grounds during the Tie-Down Roping event. His score was a 17.7. This is part of the 85th Annual La Fiesta de los Vaqueros Tucson Rodeo. Photo by Benjie Sanders/Arizona Daily Star *NO MAGS/NO SALES/MANDATORY CREDIT* TRANSMISSION #148373. Benjie Sanders/Arizona Daily Sta