Craig Stammen is a former Major League Baseball pitcher who played for several teams during his career. He was born on March 9, 1984, in Coldwater, Ohio, and attended the University of Dayton, where he played college baseball.

Stammen was drafted by the Washington Nationals in the 12th round of the 2005 MLB draft. He made his MLB debut on May 21, 2009, and spent the next seven seasons with the Nationals. During his time with the team, he was primarily used as a relief pitcher and had a career record of 24-24 with a 3.91 ERA in 254 appearances.

In 2016, Stammen signed with the Cleveland Indians as a free agent. He appeared in 35 games for the team that season, posting a 2.67 ERA. He then signed with the San Diego Padres in 2017 and spent the next four seasons with the team. During his time with the Padres, he had a record of 16-13 with a 3.47 ERA in 225 appearances.

Stammen was known for his versatility as a pitcher, as he was able to pitch in a variety of roles, including long relief, middle relief, and setup. He was also known for his durability, as he appeared in at least 60 games in six different seasons.

In 2020, Stammen became a free agent and signed a one-year deal with the Padres. He appeared in 24 games during the pandemic-shortened season, posting a 5.63 ERA. He then signed a one-year deal with the San Francisco Giants for the 2021 season but was released in August after posting a 3.96 ERA in 38 appearances.

Overall, Stammen had a solid career as a reliable and versatile relief pitcher. He finished his career with a record of 47-48 and a 3.63 ERA in 553 appearances.