Vikings TE Robert Tonyan out with back injury

(Photo credit: David Banks-USA TODAY Sports)
The Minnesota Vikings have lost another tight end, for the moment.

Robert Tonyan left Thursday's practice on a cart and, according to coach Kevin O'Connell, has a back injury.

"It was a back spasm-type issue. He's going to be working through a lower-back thing," O'Connell told reporters Friday. "We hope to get him back soon. He'll be out today, we'll see how that goes in the