Atlee Hammaker, a left-handed pitcher known for his time in Major League Baseball, began his professional career when he was drafted by the Kansas City Royals in the first round of the 1979 MLB Draft. Born in Carmel, California, Hammaker attended East Tennessee State University, where he honed his skills on the mound before making the leap to the professional ranks.

Hammaker made his MLB debut with the Royals in 1981. However, it was with the San Francisco Giants, following a trade in December 1981, that he spent the majority of his career and achieved his greatest success. His tenure with the Giants was marked by a standout season in 1983, when he led the National League with a 2.25 ERA, earning him an All-Star selection. During that All-Star Game, Hammaker had a memorable, albeit challenging, outing, giving up the first-ever grand slam in All-Star history to Fred Lynn.

Injuries, unfortunately, played a significant role in Hammaker's career. He faced various setbacks, including shoulder and elbow issues, which limited his playing time and effectiveness on the mound. Despite these challenges, Hammaker remained a part of the Giants' pitching staff throughout the 1980s, contributing when healthy.

After his time with the Giants, Hammaker had brief stints with the San Diego Padres and the Chicago White Sox. His career in the major leagues concluded in the mid-1990s. Throughout his time in MLB, Hammaker was known for his control and ability to keep hitters off balance, relying on a mix of pitches rather than overpowering velocity.

Off the field, Hammaker's life was shaped by his faith, which he often spoke about during and after his playing days. Following his retirement from baseball, he remained involved in various community and charitable activities, using his platform to give back and support others.