Kelly was optioned to Triple-A Pawtucket on Monday, Pete Abraham of the Boston Globe reports.

EDGE Analysis

The Red Sox activated Craig Kimbrel from the DL on Monday, necessitating a move to free up a spot on the 25-man roster. Kelly will be the casualty after appearing in nine games (six starts) and amassing an unsightly 7.62 ERA across 26.0 innings. The 28-year-old will look to get things straightened out at Pawtucket before a potential return to Boston later in the year.