Colts plan to showcase Taylor, Mack in run-heavy attack

WESTFIELD, Ind. — Jonathan Taylor spent the offseason preparing for a heavier workload. Marlon Mack focused on getting healthy. Now the two 1,000-yard runners are back at training camp, getting acclimated to their new roles and giving Colts coach Frank Reich a glimpse of how this two-man tandem could be effectively deployed this season.