He played in Major League Baseball (MLB) from 2014 to 2017 with the Kansas City Royals and Tampa Bay Rays.

The Boston Red Sox drafted Marks in the 37th round of the 2006 MLB Draft out of Owensboro Catholic High School in Owensboro, Kentucky, but he did not sign, opting to attend the University of Louisville, where he played college baseball for the Louisville Cardinals.

Marks' season was interrupted however after a ball hit back to the pitcher fractured his right orbital bone.

[7] On June 6, 2014, Marks was traded to the Oakland Athletics in exchange for cash considerations and was sent to the Triple–A Sacramento River Cats.

[10] On November 13, 2014, Marks signed a minor league contract with the Arizona Diamondbacks organization.

[11] He spent the 2015 campaign with the Triple–A Reno Aces, compiling a 5–9 record and 5.63 ERA with 84 strikeouts over 108+2⁄3 innings pitched.

[19] He accepted his outright assignment to the minors and pitched in 31 games (6 starts) for the Triple-A Oklahoma City Dodgers in 2017.