[13][14] He signed with the Pirates and reported to the West Virginia Black Bears of the Low-A New York–Penn League to make his professional debut.

[15] The Pirates promoted Newman to the West Virginia Power of the Single-A South Atlantic League in August.

[16] In 61 combined games between the two teams, he posted a .257 batting average with two home runs, 17 RBIs and 13 stolen bases.

In 2017, he played for both Altoona and the Indianapolis Indians of the Triple-A International League, batting a combined .267 with four home runs, 41 RBIs and a .675 OPS in 122 total games.

[19] He played 102 games for Indianapolis, batting .302, before the Pirates promoted him to the major leagues on August 16.

[20] On April 6, 2019, Newman hit his first walk-off, a single to help the Pirates defeat the Cincinnati Reds 6–5 in 10 innings.

[24] On November 18, 2022, the Pirates traded Newman to the Cincinnati Reds in exchange for Dauri Moreta.

[33] On April 7, Newman was selected to the major league roster following an injury to Geraldo Perdomo.