Firmino started the friendly in Los Angeles before being withdrawn for Neymar with 63 minutes on the clock.
Fabinho then came on as a substitute shortly after as the encounter was settled by Luis Abram's header five minutes from time.
Roberto Firmino and Fabinho both featured for Brazil in their 1-0 defeat to Peru in the early hours of Wednesday morning.
Firmino started the friendly in Los Angeles before being withdrawn for Neymar with 63 minutes on the clock.
Fabinho then came on as a substitute shortly after as the encounter was settled by Luis Abram's header five minutes from time.