(Photo credit: Andrew Wevers-USA TODAY Sports)

Colorado safety Shilo Sanders is not expected to play in Saturday's home game against No. 8 USC due to a kidney injury, ESPN reported.

Sanders said he was urinating blood after falling awkwardly while making a tackle in the Buffaloes' 42-6 loss to Oregon last Saturday.

Sanders, who was taken to the emergency room as a precaution, did not participate in practice this week. He is expected to be replaced in the lineup by Rodrick Ward for Colorado (3-1, 0-1 Pac-12) for Saturday's game against the Trojans (4-0, 2-0) in Boulder, Colo.

In four games this season, Sanders has 26 tackles, one forced fumble and one interception returned for a touchdown in a 43-35 double-overtime victory versus Colorado State on Sept. 16.

--Field Level Media