Red Sox refresh bullpen amid series vs. rival Yankees

(Photo credit: Vincent Carchietta-Imagn Images)
The Boston Red Sox made two additions to their bullpen Saturday in the middle of a series against the rival New York Yankees.

Left-hander Bailey Horn was recalled and left-hander Zach Penrod had his contract purchased. Both were promoted from Triple-A Worcester. Left-hander Cam Booser and right-hander Zack Kelly were optioned to Triple-A.

In addition, catcher Tyler Heinema