Southeast Missouri outfielder Justin Dirden has signed as a free agent with the Houston Astros. The O'Fallon, Missouri native boasted a .900 slugging percentage and was 9-of-9 in stolen bases at the time his senior season ended. Dirden was also hitting .414 with 20 runs scored, 29 hits, nine home runs and 26 RBI. He had three doubles, a pair of triples and eight walks, as well. Dirden ranked second in the nation in home runs, while leading the Ohio Valley Conference in hits, home runs, RBI,