Here's '04 Diego Alfredo Arce Juárez, whose surnames are the same as Fernando Arce Jr.'s. https://sub15.ligamx.net/cancha/jugador/139136 Here's Jr., still at Tijuana: http://www.ligabbva.mx/cancha/jugador/82488/fernando-david-arce-juarez https://www.bigsoccer.com/threads/fernando-arce-jr-at-club-tijuana.1977316/ Guessing brothers. Thanks to an image search, I found this pic from 2009: https://www.elsiglodetorreon.com.mx/galeria/3650-154734.viajeros-junio-2009