Vikings coach Brad Childress said middle linebacker E.J. Henderson had successful surgery on his left leg after suffering a fractured femur in the fourth quarter of Sunday night's 30-17 loss to the Arizona Cardinals.
Childress said Henderson spent the night in an intensive care unit at a Phoenix-area hospital and is expected to return to the Twin Cities later this week.
Childress said it's too early to know the long-term prognosis for Henderson.
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