This is the first time the 27-year-old De La Torre has been on a Major League roster.
"I wasn't expecting it, but I'm just real excited at being here and happy I got the opportunity," De La Torre said.
He pitched for Team Puerto Rico in the World Baseball Classic in March.
"I think it opened some eyes. I think it helped me pitching on a bigger stage and doing what I did. I think it helped me a lot," De La Torre said.
How will De La Torre be used by manager John Farrell?
"Low leverage innings right now," said Farrell. "He's been stretched out to a couple of innings while at Pawtucket. Very good breaking ball that he showed us in Spring Training. He's got the ability to get an above average fastball at times. So we'll pick our spots for him. I'm not going to say he's just a strict matchup guy. We needed the arm, obviously, in the bullpen."
De La Torre posted a 1.56 ERA in 17 1/3 innings for Pawtucket, holding opposing hitters to a .089 batting average (5-for-56). He allowed only one knock over his last 11 2/3 frames.
Ian Browne is a reporter for MLB.com. Read his blog, Brownie Points, and follow him on Twitter @IanMBrowne. This story was not subject to the approval of Major League Baseball or its clubs.