India, Aug. 10 -- Minnesota Vikings wide receiver and punt returner Rondale Moore left Saturday's preseason opener in Minneapolis with what appeared to be a serious lower-body injury. The 25-year-old was carted off the field. Moore, visibly frustrated, was seen slamming the cart repeatedly as he was taken off with a towel covering his face.

The setback on Saturday comes almost exactly a year after he tore his ACL while with the Atlanta Falcons. In August last year, he sustained an injury during joint practice with the Miami Dolphins. Moore spent the rest of the year on injured reserve and was signed by the Vikings this offseason.

However, his stint with Minnesota did not get off to a healthy start. In the second quarter against the Hous...