[3] Miller was drafted by the Montreal Impact of Major League Soccer in the 2014 MLS SuperDraft with the fifth pick in the first round.

[6] In February 2016, Miller was traded to Colorado Rapids in exchange for a first-round selection in the 2018 MLS SuperDraft and general allocation money.

[8] Miller was traded from Minnesota United to New York City FC on July 29, 2019, for $50,000 in General Allocation Money.

[9] On November 26, 2019, Miller was selected by Nashville SC in the 2019 MLS Re-Entry Draft.

[10] In January 2016, Miller received his first call up to the senior United States squad for friendlies against Iceland and Canada.