Bases Crowded (1886)

“In the ninth, Rafferty made first on Elwood’s muff, and the bases were crowded by McCann and McVey both hitting safe to left.” Daily Times Recorder [Zanesville, OH], May 28, 1886, p4

Previous earliest use (Dickson Baseball Dictionary, 3rd edition, 2009):
1912 (New York Tribune, Sept. 5; Edward J. Nichols). 

css.php