Pittsburgh Alleghenys and Cleveland Spiders make the heaviest raids against American Association
1891 â The Pittsburgh Alleghenys and Cleveland Spiders are the two National League clubs making the heaviest raids against American Association player contracts, following the latterâs denunciation of the National Agreement two weeks ago. Pittsburgh further earns its new nickname of âPiratesâ by signing good-hitting outfielder Pete Browning and pitcher Scott Stratton away from the Louisville Colonels.