Minda scored after heading a corner kick from Miller Bolanos inside the near post for Chivas (3-3-0).
The Goats defended their lead the rest of the way, but Toronto put on some late pressure.
Eric Avila nearly set up Ryan Johnson for the equalizer with a right-wing cross that Johnson got a head on but missed by inches.
TFC (0-5-0) set a team record by losing for a fifth straight time -- the worst start to a season in franchise history.
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