Gregg Jefferies (@Gregg_Jefferies) / X
Two-sport Annapolis High star decision to chase baseball dreams led to major league success
New York Mets Archives - Sportscasting
Gregg Jefferies Checklist - Supercollector Catalog
MMO Exclusive: Former Met, Gregg Jefferies - Metsmerized Online
What Ever Happened To Gregg Jeffries???
Gregg Jefferies wonders how good he could have been
Gregg Jefferies: Best late season call up ever – Mets360
Gregg Jefferies: Was He Actually Good? - The Good Phight
Heartfelt Plea? Vintage Whine? Jefferies Writes Fans - The New York Times
Gregg Jefferies (@Gregg_Jefferies) / X
The Baseball Card Blog: Al Rosen to Gregg Jefferies: I heart your stink