Right-hander Jameson Taillon the top prospect in the Pirates' minor league system will soon join Class AAA Indianapolis. Pirates assistant general manager Kyle Stark said Taillon who is currently at Class AA Altoona is expected to be activated Monday. In 20 games for Altoona this season Taillon 21 struck out 106 batters in 110 1/3 innings with a 3.67 ERA. After being scorched for 10 runs on 13 hits in 3 1/3 innings July 13 Taillon allowed four runs in 12 innings without walking a batter in his two most recent starts.