Khalid Jamil's side have suffered their fourth straight defeat as Mumbai FC failed to recover after going down by an early goal...
Francis Fernandes' ninth minute strike was all it took for the Goan side to bag their first three points, while Mumbai FC were left to rue their missed chances.
Khalid Jamil prefered to start with goalkeeper Sharath Kuniyil in place of Kunal Sawant, while Haroon Fakruddin Amiri replaced suspended Evans Quao in Mumbai FC's starting lineup.
Salgaocar's assistant coach Peter Valles, on the other hand, handed Australian striker Sean Rooney his first start in the I-League with Angel Guirado confined to the bench, while Augustine Fernandes replaced injured center back Rahul Kumar.
Francis Fernandes made the best of the referee's bold decision to allow play to continue despite what appeared like a foul on a Salgaocar player in the box, as the India international gave the away side the early lead in the ninth minute.
Mumbai FC had only themselves and their luck to blame as the trailing side's countless attempts on goal did not see an equaliser throughout the length of the match.
ND Opara and susbstitute Gabriel Fernandes failed to find the back of the net in despite several chances being created in the second half by the home side.
With this win, Salgaocar FC have now accumulated four points in as many matches, while Mumbai FC remain without a point and at the bottom of the table alongside fellow Mumbai-based side Air India.
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