ARLINGTON -- The Marlins' bullpen sustained a significant blow on Wednesday when setup reliever Kyle Barraclough was placed on the 10-day disabled list with a right shoulder impingement. Miami recalled rookie right-hander Drew Steckenrider from Triple-A New Orleans.
Barraclough, who has been handling the eighth inning since David Phelps was traded to the Mariners, has been one of the club's most dependable and durable right-handers. In 47 games, he has thrown 46 1/3 innings, striking out 50.
"[Tuesday] was the first I really heard of it," Marlins manager Don Mattingly said. "He said he's been feeling different stuff, but felt normal, and said he was bouncing back easily. So, didn't really become an issue."
The 27-year-old threw a scoreless inning on Monday in Miami's 4-0 win at Texas. But in that outing, there were some indicators that Barraclough wasn't himself. He threw six sliders, according to Statcast™, in a 16-pitch inning. His four-seam fastball, which averages 95.06 mph on the season, maxed at 94 mph. He threw nine fastballs, with the average at 93.4 mph.
Mattingly said he asked Barraclough on Tuesday why he didn't throw more sliders, and the right-hander responded: "I've got to talk to you about something."

Barraclough is the third Marlins player to go on the DL in the past two days. On Tuesday, first baseman Justin Bour (right oblique strain) and shortstop JT Riddle (left shoulder tendinitis) went on the DL.
Barraclough's stint is retroactive to Tuesday.
The bullpen is in flux right now because the club continues to weigh trade offers for closer AJ Ramos. Barraclough had been mentioned as a potential closer if Ramos is dealt.
Ramos is attracting interest from about five or six contenders, and chances appear likely that he could be dealt before Monday's non-waiver Trade Deadline.
Steckenrider, ranked by MLBPipeline.com as Miami's No. 9 prospect, posted a 1.62 ERA in 26 appearances with New Orleans. The hard-throwing righty has logged 7 2/3 innings and nine strikeouts with the Marlins.
Candidates to replace Barraclough in the eighth inning are right-hander Junichi Tazawa and lefty Jarlin Garcia.
Brad Ziegler has been on the disabled list since June 22 with a right back strain, and he is currently on rehab assignment with Class A Advanced Jupiter.
Barring any setbacks, Mattingly said Ziegler may not be far away from being reinstated.