Freddy Peralta made his sixth start with the New York Mets on Friday against the Colorado Rockies. However, he once again fell short of completing six innings. After retiring Troy Johnston to lead off the sixth, Peralta allowed a walk, an infield single, and an RBI double to Jake McCarthy. Although he bounced back to strike out Brenton Doyle for the second out, he was pulled immediately after for Sean Manaea. On the night, Peralta allowed two runs on seven hits and three walks over 5.2 innings while striking out eight. He suffered his third consecutive loss in the Mets' 4-3 series-opening defeat. Through six starts, the right-hander owns a respectable 3.90 ERA. However, length has become a concern. Peralta has completed six innings just once this season, and in three of those outings, he reached the sixth but failed to finish it.…