The Pirates designated right-hander Ramon Aguero for assignment to create 40-man roster space for Jose Veras, according to MLB.com's Jenifer Langosch. The Pirates had optioned Aguero to Double-A Altoona on March 14th.
Aguero posted a 6.14 ERA with 7.7 K/9 and 5.2 BB/9 in 29 1/3 innings at Class A and Double-A last year. The 26-year-old Dominican has a 4.14 ERA with 7.9 K/9 and 3.4 BB/9 in parts of five pro seasons.