Rookie Jeff Locke pitched seven innings of three-hit ball and Russell Martin had two of Pittsburgh's four home runs in a 9-0 victory over the St. Louis Cardinals on Sunday that gave the Pirates a series win and the NL Central lead.
Jones had three hits and John McDonald added an RBI double for Pittsburgh, which ended rookie Shelby Miller's streak of 14 scoreless innings at home to start the season. The Pirates have won nine of 12 overall.
Locke (3-1) has worked 13 scoreless innings while allowing five hits his last two starts.
The Cardinals got just three singles and advanced two runners into scoring position against the 25-year-old left-hander.