"Plays like that are kind of what our problems are right now," catcher J.T. Realmuto said. "We're just not making the plays we need to make."
The first came in the sixth inning by starter Mat Latos, who got the ball stuck in his glove on Chris Owings' sacrifice bunt. Owings reached first as the D-backs loaded the bases with no outs, and they scored four runs to take a 6-4 lead that inning.
"I don't know what happened. It's like it got stuck, like it was glued into my glove," said Latos, who took a no-decision as he allowed six earned runs in 5 1/3 innings. "I couldn't get it out. … I had him. I probably spun the wrong way, but it was just kind of a reaction.
"The ball was moving fast, and I didn't want to get around it, so I just tried to get it and get rid of it, and I couldn't."
The second miscue happened in the eighth inning, as Cliff Pennington's bunt got stuck in Realmuto's mitt.
"I fielded the ball and wanted to go to second with it," Realmuto said. "I saw that I wasn't gonna get [Jordan Pacheco] out [at second], so I went back in to get the ball and I couldn't get it out in time."
Arizona took advantage of the extra out and Pennington scored the go-ahead run on A.J. Pollock's infield single later in the inning. Marlins pitcher Sam Dyson fielded the two-out swinging bunt, but Pollock beat the throw to first.
Miami manager Dan Jennings said the mishaps simply add to the frustration of the losing streak.
"The two plays where the ball sticks in the glove and the ball bobbles, those are outs," Jennings said. "We do our job and it's there to convert into an out, and unfortunately, it doesn't.
"It's like a snowball."
Steve Wilaj is an associate reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.