HOW ACQUIRED: Signed via free transfer on January 27, 2017. Re-signed October 11, 2018
A pacy and powerful left-footed center back, Callens has been a mainstay in NYCFC's defense since arriving on a free transfer before the 2017 season.
INTERNATIONAL: Callens has made 13 international appearances for Peru and scored once.
OUTSIDE MLS: Previous to his 18 months at Numancia where he played 40 times, Callens represented Real Sociedad B between 2011 and 2015, making 86 league appearances. He emerged through the youth ranks at six-time Peruvian champions Sport Boys in his homeland.