On February 14 , 1884, the Pittsburgh Alleghenys sold pitcher Bob Barr to the Washington Nationals, reportedly for $100. It’s listed as the first transaction with another Major League team in Pittsburgh Pirates franchise history. Barr was 6-18, 4.38 in 203.1 innings as a 26-year-old rookie with the 1883 Alleghenys. He had a career 49-98…