Gerardo Parra

Desmond leads playoff-chasing Rockies over Marlins 15-9

Nolan Arenado was intentionally walked twice by Miami to face the cleanup hitter, Trevor Story .

On both occasions, Story delivered. He relishes having the big moment in his hands.

Next up, an even bigger moment for Story and the Rockies — trying to lock up their first postseason spot since 2009.

Ian Desmond hit a three-run homer as part of a six-run second inning and the playoff-chasing Rockies beat Miami 15-9 on Wednesday, setting up a weekend to remember at Coors Field.

The Rockies have three games left and cling to a 1 1/2-game lead over Milwaukee, which played Cincinnati later in the evening. St. Louis trailed by 2½...