William Taylor Harris (born August 28, 1984) is an American professional baseball pitcher for the Washington Nationals of Major League Baseball (MLB).
He previously played in MLB for the Colorado Rockies, Arizona Diamondbacks, and Houston Astros. He was drafted by the Rockies in the ninth round of the 2006 MLB draft and made his major league debut in 2012. He played college baseball for Louisiana State University.
The Colorado Rockies selected Harris in the ninth round of the 2006 Major League Baseball draft. Harris made his professional debut with the Low-A Tri-City Dust Devils.
In 2007, Harris played for the Single-A Asheville Tourists, recording a stellar 1.32 ERA in 38 appearances. The next year he played for the High-A Modesto Nuts, posting a 2.77 ERA in 49 games for the team. He only appeared in 1 game in 2009, for Tri-City, and did not play at all in 2010.
On January 3, 2020, the Washington Nationals announced they had signed Harris to a three-year guaranteed contract reportedly worth $24 million. Harris could not replicate his 2019 success with Houston in 2020 but still had a solid season with Washington, registering a 3.06 ERA with 21 strikeouts in 172⁄3 innings of work.
On May 30, 2021, it was announced that Harris would undergo surgery to address thoracic outlet syndrome, likely ending his 2021 season. He was placed on the 60-day injured list on June 12. In eight games for the Nationals, Harris struggled to a 9.00 ERA.
Harris has never divulged any information about his parents, he is a very private person who likes to keep his personal life away from media attention.