Arizona Diamondbacks reliever Rubby De La Rosa will undergo a second Tommy John surgery.
De La Rosa experienced discomfort over the last 10 days, and it was determined he would need the surgery to repair the ulnar collateral ligament in his right elbow.
De La Rosa underwent the surgery in 2011 near the end of his rookie season with the Dodgers and missed most of the 2012 and 2013 seasons.
“It's very unfortunate for him because he worked very hard to get himself back to the big leagues,” manger Torey Lovullo said. “It's a big setback for him, but this is the process that he's going to follow.”
The 28-year-old from the Dominican Republic appeared in nine games...