Philadelphia Union head coach John Hackworth has revealed that Oka Nikolov has been brought in to provide competition for young gun Zac MacMath.

The 39-year old goalkeeper has been signed from German club Eintracht Frankfurt but is not in town to push 21-year old MacMath out of a job.

"Zac's absolutely, 100 percent still the starter," Hackworth said. "No question about that."

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