Cubs comeback vs. Rockies falls short in 6-4 loss

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DENVER — It was clear in the Cubs’ 6-4 loss to the Rockies on Tuesday that the bullpen is still figuring out how to adjust to the loss of closer Adbert Alzolay (strained right forearm), who landed on the 15-day IL Monday.

Cubs starter Javier Assad battled traffic on the bases all game. He’d already thrown 79 pitches one out into the fourth inning. He left after giving up a two-run dingle to the Rockies’ Kris Bryant, with the game tied up at two runs apiece.

The bullpen’s performance was a mixed bag. Rookie left-hander Luke Little replaced Assad. He allowed a hit, issued a walk, and let two inherited runners score. In the sixth and seventh innings, rookie right-hander Daniel Palencia…