The Capital Gazette is honoring one boys and one girls high school student-athlete each week as Athletes of the Week. To submit nominations, email kfominykh@baltsun.com or direct message @capgazsports on Instagram by Saturday evening.Boys athlete of the weekTJ Mordecai, Arundel, footballThe senior running back was instrumental in lifting Arundel football over Northern-Calvert in the 3A state quarterfinal…