Pittsburgh Pirates right-handed starting pitcher Mitch Keller put in one of his best performances of the season in a 5-0 shutout victory over the S

Cubs Linked to Trade Interest in Mitch Keller From Pirates originally appeared on Athlon Sports. The Chicago Cubs will need arms at the trade deadline, no matter where the rotation stands over the next month. As a contending team, there's absolutely no reason for Jed Hoyer not to at least add one starter to his rotation over the next month.