49ers trying defensive tackle Tukuafu at fullback in practice

San Francisco 49ers head coach Jim Harbaugh has gained a reputation for using players in non-traditional roles, and he may be doing it again with Will Tukuafu, a defensive tackle who has been spending time at fullback during practice. On Tuesday, Tukuafu caught a pass while coming out of the backfield, and the 6-4-, 293-pound Tukuafu has been getting quite a bit of practice time at fullback behind Bruce Miller. Harbaugh is impressed by what he's seen of Tukuafu on offense during practice. "Yeah, Will's doing a great job athletically, picking up the offense and the defense, both," Harbaugh said. "And I think the best will come when he puts the pads on. I think that's when it'll get really exciting and fun. A 280-plus guy playing fullback is going to bode well for us." Tukuafu played in four games in 2011 as a defensive lineman, but his season ended when he injured his wrist during kickoff return. Harbaugh said Tukuafu will continue pract...