McFadden played high school basketball at Flint Southwestern Academy, leading the Knights to an 18–3 record as a senior.

[5] After going undrafted in the 2009 NBA draft, McFadden joined Ústí nad Labem of the Czech Republic.

Due to his poor performances, McFadden was loaned from the German team, to his previous club, Usti Nad Laben, until the end of the season.

[12] On December 27, 2016, McFadden left Nancy, and signed with PAOK of the Greek Basket League, replacing Darryl Bryant on the team's squad.

[14] On November 20, 2017, he left Karpoš Sokoli due to financial problems and signed with Kymis.

[16] On July 17, 2018, McFadden signed a one-year deal with Iberostar Tenerife of the Liga ACB.

[22] With Burgos, McFadden won the 2019–20 Basketball Champions League after defeating AEK in the final.

He made his debut at a major tournament at EuroBasket 2022 which was co-hosted by Georgia, averaging 15 points per game.