Over his last four appearances, Uehara has given up seven earned runs. The 39-year-old has a 2.25 ERA, 0.90 WHIP and 73 strikeouts in 60 innings this season, compared to a 1.09 ERA, 0.56 WHIP and 101 strikeouts in 74.1 innings in 2013.
He said fatigue has not been a factor in his recent performance.
Red Sox manager John Farrell said arm speed is likely behind his recent struggles, but said Uehara will continue to pitch this season
“We do keep his health in the forefront of our thoughts,” Farrell said. “But when he’s claimed that he’s fit and he’s healthy and he’s not dealing with anything physical, you have to use that as information as well.”
Boston is in last place in the AL East at 58-74 on the season.
- Paul Palladino