Racing's academy is one of the most successful in Argentine football, producing Lautaro Martinez and Rodrigo De Paul in recent years and, further back, the likes of Lyon idol Lisandro Lopez and Inter's Champions League hero Diego Milito.
Alcaraz, an attack-minded midfielder who loves to cut a swathe through the defence to goal, looks to be the next star to come up through the Academia ranks.
At 19, he is an integral part of Fernando Gago's starting line-up and admits that he has learned a great deal from the former Real Madrid, Roma and Argentina midfielder.