was close to following his 2008 campaign with another good season for the Rockies, compiling a record of 10-6 through the month of August until an injury caused him to miss the month of September. Cook would later appear in October, pitching eight innings in a win over the Milwaukee Brewers. Cook pitched in the first round of the playoffs against the Phillies, pitching five innings and allowing three runs in a 5-4 victory. The Rockies ultimately lost the series. 2010 season Cook's 2010 season was a season filled with inconsistency and injuries, as he twice wound up on the DL. The first of these appearances occurred in August, when Cook landed on the 15‑day disabled list with a sprained toe. Cook came back in September; after pitching in just his second start off the disabled list, Cook suffered a non displaced fracture in his leg, ending his 2010 season. Cook ended his season on a disappointing note, finishing 6-8 with an ERA of 5.08 in 23 starts. 2011 season Cook's season was cut short for the third straight time, as he finished with a 3-10 record and a 6.03 ERA in 18 games (17 starts) and was let go after the season, the team declining his $11 million option. Boston Red Sox 2012 season On January 14, 2012, Cook signed a minor league deal with the Boston Red Sox that included an opt-out clause if he did not make the Red Sox by May 1. Cook was recovering from shoulder and knee injuries that plagued him in 2010 and 2011. In five games with Triple-A Pawtucket, he went 3-0 with two complete games. On May 1, the day he chose to exercise his opt-out clause, it was announced he would be promoted to Boston to start in place of the injured Josh Beckett. Cook received a pro-rated salary of $1.5 million plus incentives. He also had a second opt-out clause for June 1. On May 5, 2012, Cook made his Red Sox debut against the Baltimore Orioles. He pitched only 2 innings, as a result of an injured knee off the spikes of Orioles first baseman Chris Davis. After getting treatment in the clubhouse, Cook returned, only to then allow a two-run home run to Adam Jones. He was placed on the disabled list the next day. On June 29, 2012, against the Seattle Mariners, Cook threw a complete