Patrick van Aanholt was withdrawn from the Sunderland starting XI for the match against Tottenham due to cardiology test results.
Sunderland manager David Moyes has revealed Patrick van Aanholt did not feature against Tottenham due to the results of a cardiology test.
The Dutchman was initially named in the starting XI for Sunderland's 1-0 defeat, but was replaced by Jason Denayer shortly before kick-off.
Van Aanholt's late withdrawal led to confusion on Sunday, with Moyes' initial comments that he was left out for "medical reasons" failing to clarify the left-back's situation.
Moyes has now stated Van Aanholt's omission was down to "medical advice from cardiologists", with the results of a routine examination understood to have come in shortly before the match was due to start.