Justin Masterson surrendered two runs and three hits in six innings Thursday in a win over the Phillies.
Justin Masterson yielded two runs in five innings Saturday against the Twins.
Justin Masterson held the Orioles to one run in four innings on Friday.
Justin Masterson was pounded for six runs in 3 1/3 innings by the Phillies on Sunday.
Justin Masterson struck out four in three perfect innings as the Red Sox topped a Rays split-squad 5-1.
According to Rob Bradford of WEEI, Justin Masterson turned down a one-year $6 million offer from the Rangers to sign with the Red Sox.
Red Sox signed RHP Justin Masterson to a one-year, $9.5 million contract.
ESPN's Buster Olney reports that the Red Sox have agreed to a deal with free agent Justin Masterson.
Nick Cafardo was told by a Red Sox source that the team's offer to Justin Masterson is only for one year.
Nick Cafardo of the Boston Globe hears that the Red Sox have made a multi-year offer to Justin Masterson.
CBS Sports' Jon Heyman reports that the Rangers and Red Sox have made offers to Justin Masterson.
CBS Sports' Jon Heyman hears that Justin Masterson will meet with the Marlins, White Sox and possibly the Cubs at this week's Winter Meetings.
LaVelle E. Neal III of the Minneapolis Star-Tribune reports that Justin Masterson "appears to be moving forward without the Twins."
The White Sox and Tigers have interest in free agent Justin Masterson, per Paul Hoynes.