White Sox prospect Johnson placed on Triple-A DL

CHICAGO -- Micah Johnson, the No. 3 ranked White Sox prospect, was placed on the disabled list by Triple-A Charlotte with a left hamstring injury.

Johnson, 23, hit .329 with 10 stolen bases and 18 runs scored over 37 games for Double-A Birmingham before being promoted to Charlotte. The second baseman has a .273 average over 10 games for the Knights.