 The Rockies promoted Tapia to the major leagues on September 2, 2016.On July 20, 2018, Tapia hit a two out, two strike, go-ahead pinch grand slam in the top of the 7th inning against Arizona Diamondbacks reliever Archie Bradley to give the Rockies an 11–8 lead.It was the first grand slam of Tapia's career and would ultimately prove to be the difference as the Rockies would go on to win the game 11–10.