The Argentine winger missed last week's 1-1 draw at Liverpool with a calf injury picked up on international duty.
"Erik has trained well this week and he will be available for Sunday," reported Mauricio Pochettino after training on Friday (April 8).
"We will asses Clinton Njie and Jan Vertonghen tomorrow."
Clinton and Jan are training again after knee surgery. Nabil Bentaleb (knee) remains sidelined.
We kick-off against United at 4pm.
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