Rockies, Marlins eager to see youngsters perform

(Photo credit: Ron Chenoy-USA TODAY Sports)
With the playoffs not in the fall plans for the two worst teams in the National League, they both are ratcheting up for the future.

The Miami Marlins and Colorado are battling in a four-game series in Denver this week, with the Rockies winning the opener 3-2 on Monday. Both clubs are giving longlooks at potential building blocks.

That will be the case again Tuesday, when Miami