Mike Fiers, a right-handed pitcher, began his Major League Baseball career with the Milwaukee Brewers. Drafted by the Brewers in the 22nd round of the 2009 MLB Draft, Fiers worked his way through the minor leagues, making his MLB debut on September 14, 2011. His early career with the Brewers was marked by a promising start, as he quickly became a reliable option in their pitching rotation.

In 2012, Fiers had a breakout season, posting a 3.74 ERA over 127.2 innings pitched. His performance that year included several standout games, and he became known for his ability to strike out batters, recording 135 strikeouts. However, the following seasons saw some inconsistency, and he spent time both in the majors and minors.

Fiers' tenure with the Brewers ended in 2015 when he was traded to the Houston Astros. This trade proved to be a turning point in his career. On August 21, 2015, Fiers threw a no-hitter against the Los Angeles Dodgers, a highlight that underscored his potential on the mound. This achievement was a testament to his skill and ability to perform under pressure.

During his time with the Astros, Fiers was part of the team that won the World Series in 2017. However, his role was primarily during the regular season, as he did not pitch in the postseason. His stint with the Astros concluded after the 2017 season, and he became a free agent.

Fiers signed with the Detroit Tigers in 2018, where he continued to be a steady presence in their rotation. Midway through the season, he was traded to the Oakland Athletics. With the Athletics, Fiers found a new home and delivered another career highlight. On May 7, 2019, he pitched his second career no-hitter, this time against the Cincinnati Reds. This performance solidified his reputation for being capable of extraordinary outings.

Throughout his time with the Athletics, Fiers was a consistent starter, contributing to the team's efforts to reach the postseason. His experience and ability to handle high-pressure situations made him a valuable asset to the Athletics' pitching staff.

Fiers' career was not without controversy. In 2019, he publicly revealed the Houston Astros' sign-stealing scandal, which had occurred during his time with the team. His disclosure led to significant repercussions for the Astros and sparked widespread discussions about ethics in baseball.

Injuries began to affect Fiers' performance in the later stages of his career. Despite these challenges, he continued to pitch for the Athletics until the end of his MLB career. His journey through professional baseball was marked by moments of brilliance, as well as challenges that tested his abilities on and off the field.