Hertzler was promoted to Pawtucket today after posting a 1.05 ERA in 25.2 IP out of the bullpen for Portland.
The 25-year-old right-hander was an 11th-round draft pick in 2003 out of Central Connecticut State. He's a native of East Providence, RI. He has a decent fastball that can crack 90, a splitter and a good curveball, according to soxprospects.com. He's held lefties to a .209 batting average this year (righties have hit .270 against him).
His overall stats at AA:
IP: 25.2
ERA: 1.05
Saves: 4
Hits: 20
ER: 3
K: 17
BB: 14
HR: 0
WHIP: 1.32