[3] After going undrafted in the 2015 NBA draft, McKinney signed a two-year contract with Port of Antwerp Giants of the Belgian League on July 27, 2015.
[8] In 2017, McKinney signed with Chong son Kung Fu[9] of the ASEAN Basketball League as a heritage import player.
In September 2019, McKinney re-signed with Macau Black Bears of the ASEAN Basketball League as an import player.
In 12 games with Halcones UV Xalapa in Mexico's LNBP, McKinney averaged 15.8 points, 3.6 rebounds, 4.9 assists, and 1.1 steals per game on .489 and .452 shooting from two-point and three-point range, respectively ... On Sept. 25, 2021, McKinney scored a season-high and team-best 28 points, adding two rebounds and eight assists in a 90–87 loss against Lenadores.
[13][14] On February 12, McKinney made his debut when he scored 15 points in the semifinal of the 2022 FIBA Intercontinental Cup against Burgos.