Chicago Cubs Carpenter was drafted by the
Chicago Cubs in the third round, with the 97th overall selection, of the
2008 Major League Baseball draft. Carpenter was called up to the majors for the first time with the Cubs on June 14, 2011. He made his debut that day against the
Milwaukee Brewers, pitching two-thirds of an inning with one
strikeout.
Boston Red Sox Carpenter was dealt to the
Boston Red Sox on February 21, 2012, as compensation for the Cubs hiring then-Boston General Manager
Theo Epstein. He made eight appearances for Boston, but struggled to a 9.00 ERA with two strikeouts over six innings of work. Carpenter was
designated for assignment on January 22, 2013, to clear roster space for the newly signed
Mike Napoli. He made 34 appearances split between the Low-A
Lowell Spinners and Triple-A
Pawtucket Red Sox, accumulating an 0–2 record and 4.62 ERA with 54 strikeouts across innings pitched.
Tokyo Yakult Swallows On December 17, 2013, the Red Sox sold Carpenter's contract to the
Tokyo Yakult Swallows of
Nippon Professional Baseball. Carpenter made 32 relief appearances for the Swallows in 2014, compiling a 1–2 record and 4.73 ERA with 27 strikeouts and three
saves across innings pitched.
Cincinnati Reds On March 3, 2015, Carpenter signed a minor league contract with the
Cincinnati Reds. After struggling to a 16.20 ERA with nine strikeouts in six appearances for the Triple-A
Louisville Bats, Carpenter was released by the Reds organization on April 28. ==Personal==