Moeller began his professional career in 1986 with the Eugene Emeralds.
Eugene O'Neill | Eugene, Oregon | Eugène Delacroix | Eugene Onegin | Eugène Ionesco | Eugene | Eugene Onegin (opera) | Eugene McCarthy | Pope Eugene IV | Eugène Ysaÿe | Eugene Wigner | Eugene Field | Eugene Aynsley Goossens | Gene Eugene | Harold Eugene Edgerton | Eugene Levy | Eugène de Beauharnais | W. Eugene Smith | Pope Eugene III | Eugene Ormandy | Eugene Jolas | Eugene Fama | Eugene Cernan | Eugène Atget | David Eugene Edwards | H. Eugene Stanley | Eugene V. Debs | Eugene Nickerson | Eugene Chadbourne | Eugene Braunwald |
He has also been a scout (1981–87), and the pitching coach for several of Kansas City's farm teams, including the Eugene Emeralds of the Northwest League (1987–98), the Memphis Chicks of the Southern League (1989–90), and the Omaha Royals, then of the American Association (1991).
After a year of college baseball with the Lamar University Cardinals, Brassington was drafted by Kansas City Royals in 5th Round (133rd overall) of 1993 amateur entry draft and played the 1993 season with the Eugene Emeralds as a starting pitcher where he finished with a season ERA of 2.42.