Gregory Wyatt Mills (born January 25, 1995) is an American professional baseball pitcher for the Seattle Mariners of Major League Baseball (MLB). He made his MLB debut in 2021.
Mills attended Gonzaga Preparatory School in Spokane, Washington. Undrafted out of high school in the 2013 Major League Baseball draft, he enrolled at Gonzaga University where he played college baseball for the Bulldogs.
After his senior year, Mills was selected by the Seattle Mariners in the third round of the 2017 Major League Baseball draft. Mills signed with Seattle and made his professional debut with the Everett AquaSox before earning a promotion to the Clinton LumberKings.
In 20+1⁄3 innings pitched between the two clubs, he went 0–2 with six saves and a 1.77 ERA, striking out 29. In 2018, he began the year with the Modesto Nuts, with whom he went 6–0 with 11 saves and a 1.91 ERA in 42+1⁄3 innings pitched and was named a California League All-Star.
On November 20, 2020, Mills was added to the 40-man roster. On May 1, 2021, Mills was promoted to the major leagues for the first time. He made his MLB debut that night, pitching a scoreless inning of relief against the Los Angeles Angels.
For the 2021 season with the Mariners, Mills pitched 12+2⁄3 innings in which he gave up 14 earned runs, walking seven, and striking out 11. When not with Seattle, Mills pitched with the Tacoma Rainers of the Triple-A West, going 4-2 with a 3.14 ERA and 51 strikeouts over 28+2⁄3 innings.
There are no details about his marital status. He may be married or unmarried. There are also no rumors about his wife and girlfriend.