[2] He relocated to the Dominican Republic and was declared a free agent by Major League Baseball in July 2016.

[4] He made his professional debut in 2017, spending time with both the Tri-City Dust Devils and the Fort Wayne TinCaps, posting a combined 3–4 win–loss record with a 3.86 earned run average (ERA) in 13 starts between both clubs.

[11] Morejón departed from a game started on April 11, 2021, against the Texas Rangers after suffering a left forearm strain.

On April 20, it was announced that Morejón would undergo Tommy John surgery and miss the remainder of the 2021 season.

[17] After a rehab assignment with Low–A Lake Elsinore, Morejòn was activated from the injured list on June 6 and optioned to Triple–A El Paso.