The Boston Red Sox made some big splashes this winter. While David Price and Craig Kimbrel were the big names, reliever Carson Smith could have a huge impact on the team this season. [ 2016 Yahoo Fantasy Baseball is open for business. Sign up now ] That is, if he can remain on the field. Smith left Monday's spring game after throwing just five pitches due to forearm pain , according to the Boston Herald. While early tests were "optimistic," Smith is clearly worried about the issue, telling the Herald, "I'm concerned, it's my career." Smith will meet with a team physician Monday night, and will likely undergo an MRI in the coming days. Smith may not be as well known as Price or Kimbrel, but the 26-year-old put up impressive stats last season. Though 70 innings, he posted a 2.31 ERA with an eye-popping 92 strikeouts. His 32.4 percent strikeout rate ranked 11th among qualified relievers last season. OTHER SPRING HEADLINES Getting better: What role has baseball played in the improving relationship between the United States and Cuba? [ Tim Brown ] Not yet: Los Angeles Dodgers outfielder Andre Ethier still can't put weight on his leg, and was sent for a bone scan Monday. [...