Cambridge United have agreed to sign Bulgarian goalkeeper Dimitar Mitov on a two-year contract, following his release by Charlton Athletic.
The 20-year-old has represented his country at under-21 level, but did not play a senior game for the Addicks.
"I'm really happy to get this over the line and I just want pre-season to start now," Mitov said.
"I can take plenty of experience from my time at Charlton as I spent a lot of time around the first-team there."
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