MacLellan attended Davenport University and earned selection to the USA Rugby Selects for World Rugby's developmental Americas Rugby Championship tournament in 2014. He has since made his full international debut for the Eagles - against Italy at San Jose's Avaya Stadium in the summer of 2016 - and signed a professional contract with PRO Rugby's inaugural Ohio Aviators franchise.
|18 Jun, 9:00 pm||Avaya Stadium||Italy||Men's Eagles||Summer Series||20 - 24|
|25 Jun, 10:00 pm||Bonney Field||Russia||Men's Eagles||Summer Series||25 - 0|
|04 Nov, 8:00 pm||Toyota Park||Maori All Blacks||Men's Eagles||Rugby Weekend||7 - 54|
|19 Nov, 11:00 am||Estadio Anoeta||Tonga||Men's Eagles||Autumn Internationals||17 - 20|