In the first incident police reports state that 18-year-old Convine Anthony, of Centre Hill, Malick, Barataria, was playing a game of football with friends close to his home around 7.30 p.m. when a white Toyota car pulled up nearby.
Occupants of the vehicle came out and opened fire hitting Anthony in the head.
He was taken to the Eric Williams Medical Science Center in Mt Hope where he was pronounced dead on arrival.
Police say they did not have a motive for the killing.
In the other incident, officers said around 10.45 p.m. taxi driver Ricardo Small, 31, of Riverside Drive, Diego Martin dropped off two passengers at Factory Road and later went to Hillview Drive.
While turning the vehicle officers said Small was approached by two men who opened fire. He was shot multiple times in the chest and died at the scene.