Phillies' Zack Wheeler has surgery to remove blood clot in upper right arm The team says a timeline for his recovery remains unknown. Original Source: https://www.nbcsports.com/mlb/news/phillies-zack-wheeler-has-surgery-to-remove-blood-clot-in-upper-right-arm Previous article: Doing away with traditional leagues could be in MLB's not-too-distant future, Rob Manfred says Prev Next article: Blue Jays star Vlad Guerrero Jr. leaves loss to Pirates early with apparent hamstring injury Next