The first time through the order on Saturday, RubberDucks starter Triston McKenzie looked as dominant as he had been throughout his four starts in Akron, allowing only two hits and one walk and recording three strikeouts.

The second time through the lineup was a different story.

One of the Indians’ top prospects, McKenzie was tagged for four runs in 4⅔ innings and took the loss as the Ducks fell 12-2 to the Harrisburg Senators at Canal Park.

The Senators’ outburst began in the third inning. Zach Collider led off with a walk and came in to score three batters later on Dan Gamache’s RBI single. That hit opened up the floodgates, as it was followed up by back-to-back RBI singles by Jake Noll and Drew Ward and a sacrifice fly by Taylor Gushue.

McKenzie (1-2) then settled down and retired five consecutive batters beginning in the third inning, but was pulled in the fifth for Nick Pasquale after allowing a single to Ward.

Tyler Krieger and Mark Mathias hit doubles in the first and second innings, respectively, for the Ducks but neither was able to cross the plate as Senators starter Tyler Mapes was able to tiptoe out of trouble most of the night.

Mapes, who was making his Double-A debut, twirled six innings of one-run ball, striking out six.

The Ducks bullpen struggled as well, combining to allow eight runs in 4⅓ innings, with the damage beginning in the seventh inning.

That inning opened with a spectacular diving catch by Andrew Calica near the right-field wall, but the Senators (39-34) promptly loaded the bases with one out. Pasquale was relieved for Rob Kaminsky, but the troubles continued for the Ducks when first baseman Bobby Bradley threw high when trying for a force out at second base, allowing a run to score and keep the bases loaded.

A two-run double by Taylor Gushue then ended Kaminsky’s night, but Mitch Brown came on and issued a bases-loaded walk to Adam Brett Walker as the Senators increased the lead to 8-1.

Connor Marabell figured in both runs for the Ducks (42-32). First, he drove in Wili Castro with a single in the fourth inning to cut the Senators lead to 4-1. He then led off the seventh inning with a triple to the corner in right field and scored on a single by Mathias.

The Senators added two runs in both the eighth and ninth innings on an RBI single by Austin Davidson, a two-run single by Gamache and an RBI groundout by Gushue.