Reasonably sure I have the right guy here. First, I found a posting by a Jerry Hebert that said he was from Abbeville, LA, and he had been in the NY Mets organization. Given Hebert's baseball-reference.com record, that fits our man.
This photo shows a Jerry Hebert who was the coach of the Lafayette, LA, Little League team in 1993. Lafayette is close (20 miles) to Abbeville within the same parish (county) of Louisiana. The photo is from the Lafayette Daily Advertiser of July 27, 1993.
In 2011, Hebert's home was in Lafayette, which suggests further confirmation. See the webpage below:
https://www.athleticnetwork.net/site...=54&profID=193
https://www.baseball-reference.com/r...d=hebert001ger