Things looked bleak for the hosts when they fell behind to Andres Franzoia's second-minute opener, then had Emanuel Insua sent off in the 26th minute.
But Nicolas Castro levelled three minutes later and, after Marcelo Sarmiento (69) saw red to even up the sides, Salinas struck to complete the comeback.
Cristian Tula scored on the stroke of half-time to give 10-man Independiente a 1-0 win at Velez Sarsfield.
The visitors played nearly 70 minutes a man down after Julian Velazquez saw red in the 22nd minute.
Emmanuel Gigliotti struck from the spot on the hour mark to earn Colon Santa Fe a 1-1 draw against San Martin San Juan.
Jorge Luna had put the vistors ahead in the eighth minute.
The day's other game, between San Lorenzo and Belgrano Cordoba, finished goalless.