Artificial turf's 50th anniversary in baseball

Dodgers leave infielder Rosario and reliever Yarbrough off NLDS roster; D-backs go with five rookies, National Sports

Aberdeen CHS Class of 1966 Reunion: Another 50th Reunion! By Alice Laird Rapport

RFK Stadium's 50th anniversary - William F. Yurasko

Gase: Twenty years ago Cal Ripken saved baseball with his streak – Times Herald Online

MLB Used Third Baseball in Postseason, Yankees Games: Insider Investigation

Crawdads Corner: A Day In the Life of a Groundskeeper

MGCCC baseball, softball makes transition from natural grass to turf

Artificial turf's 50th anniversary in baseball

Marlins-Mets game postponed due to unplayable field conditions caused by tropical storm