Paul Sullivan: All eyes are on manager David Ross in the Chicago Cubs’ stretch run

For a guy who participated in “Dancing With the Stars,” Chicago Cubs manager David Ross has no real feel for Hollywood endings.

Making his major-league debut off the bench Monday night at Coors Field in Colorado, top prospect Pete Crow-Armstrong came to the plate with a runner on first and no outs in the ninth inning, after the Cubs had taken a one-run lead over the Rockies.

Cubs fans, who could recall Willson Contreras and Christopher Morel homering in their first major-league at-bats, were hoping for some similar heroics from the most hyped rookie since Kris Bryant, hitting in the hitter-friendly ballpark.

Then Crow-Armstrong laid down