Pearson started off the 1960 season again as a reserve outfielder for the Orioles, batting .286 in his first 12 games. By June 12, with his average dropping to .231, Pearson was sent to the Miami Marlins, Baltimore's Class AAA team in the International League. After hitting over .300 in Miami, Pearson returned to Baltimore in September. He would end the year playing in only 48 games for the Orioles, batting .244 with 17 runs scored, 24 hits, one home run, and six RBI.