Kevin John Gryboski (born November 15, 1973) is an American former Major League Baseball pitcher and former head coach of Wilkes University's baseball team.
At Bishop Hoban High School in Wilkes-Barre, Pennsylvania, Gryboski was a two-sport star in both baseball and basketball. In baseball, he was an All-Conference All-Star pick.
Gryboski pitched and also played basketball for 2 years at Wilkes University in Wilkes-Barre, Pennsylvania.
Gryboski was selected by the Seattle Mariners in the 16th round of the 1995 Major League Baseball draft.
Gryboski, a right-handed pitcher, was acquired by the Atlanta Braves in January and traded to the Texas Rangers in July for minor league pitcher Matt Lorenzo. Gryboski was known as "Groundball" Gryboski while playing with the Braves; this came from his ability to get batters to ground into double plays.
In 2018, Gryboski became of head coach of the Wilkes University Colonels baseball team.
Gryboski is married to Leah and they have two children: KJ and Kaylee.