Michael Ryan Mariot (born October 20, 1988) is an American professional baseball pitcher who is a free agent. He has previously played in Major League Baseball (MLB) for the Kansas City Royals, Philadelphia Phillies, and Cincinnati Reds, and in the Chinese Professional Baseball League (CPBL) for the CTBC Brothers.
Mariot was drafted by the Kansas City Royals in the eighth round, with the 239th overall selection, of the 2010 Major League Baseball draft out of the University of NebraskaâÂÂLincoln. He was added to the 40-man roster on November 20, 2013, in order to be protected from the Rule 5 draft.
Mariot was called up to the major leagues for the first time on April 7, 2014. In 17 appearances for Kansas City during his rookie campaign, Mariot posted a 1-0 record and 6.48 ERA with 21 strikeouts over 25 innings of work. He was not a part of the Royals' postseason roster, but earned his first World Series ring.
Mariot made two appearances for the Royals during the 2015 season, recording a 3.00 ERA with one strikeout over three innings of work.
On November 30, 2015, the Philadelphia Phillies claimed Mariot off waivers. He was called up the Phillies on August 3, 2016, when Jeanmar Gómez was granted paternity leave for the birth of his son. Mariot made 25 appearances for Philadelphia, recording a 5.82 ERA with 23 strikeouts and two saves across innings pitched.
On December 6, 2016, Mariot was designated for assignment following the signing of JoaquÃÂn Benoit. He spent the 2017 season with the TripleâÂÂA Lehigh Valley IronPigs. In 45 appearances out of the bullpen, he registered a 7âÂÂ2 record and 4.42 ERA with 63 strikeouts and two saves in 57 innings of work. Mariot elected free agency following the season on November 6, 2017.
On November 21, 2017, Mariot signed a minor league contract with the San Diego Padres. Mariot was invited to Major League spring training that year as a non-roster invitee. In 10 appearances for the TripleâÂÂA El Paso Chihuahuas, he struggled to a 12.15 ERA with 14 strikeouts across innings pitched. Mariot was released by the Padres organization on May 11, 2018.
On May 18, 2018, Mariot signed a minor league deal with the Kansas City Royals. He spent the remainder of the season split between the DoubleâÂÂA Northwest Arkansas Naturals (0.96 ERA in 7 games) and TripleâÂÂA Omaha Storm Chasers (3.81 ERA in 18 games). Mariot was released by the Royals organization on August 8.
On August 24, 2018, Mariot signed with the Sugar Land Skeeters of the Atlantic League of Professional Baseball. In 4 starts for the Skeeters, he recorded a 1.93 ERA with 8 strikeouts over 14 innings of work.
Mariot re-signed with the team for the 2019 season. In 8 appearances (5 starts), he compiled a 3-0 record and 3.00 ERA with 40 strikeouts across 36 innings pitched.
On June 5, 2019, Mariot's contract was purchased by the Toros de Tijuana of the Mexican League. In 6 appearances (5 starts) for Tijuana, he pitched to a 4-1 record and 4.56 ERA with 25 strikeouts across innings pitched. Mariot was released by the Toros on July 29.
On July 29, 2019, Mariot signed with the Tecolotes de los Dos Laredos of the Mexican League. He made 2 starts for the team, logging a 1-1 record and 9.00 ERA with 9 strikeouts over 9 innings of work. Mariot became a free agent following the season.
On March 29, 2021, Mariot signed with the Cleburne Railroaders of the American Association of Professional Baseball. Mariot recorded a 2âÂÂ0 record and 1.00 ERA across three appearances for Cleburne.
On June 6, 2021, Mariot's contract was purchased by the Cincinnati Reds organization. Mariot made 19 appearances (18 of them starts) with the Triple-A Louisville Bats, working to a 6âÂÂ5 record and 4.02 ERA with 83 strikeouts in 103 innings of work. He elected free agency following the season on November 7.
On March 16, 2022, Mariot signed a minor league contract with the Washington Nationals. He was released on March 23. On March 30, Mariot signed a minor league contract with the Philadelphia Phillies organization. In 11 starts for the TripleâÂÂA Lehigh Valley IronPigs, he registered a 4âÂÂ1 record and 4.64 ERA with 36 strikeouts across innings of work.
On June 15, 2022, Mariot was traded to the Detroit Tigers in exchange for cash considerations. In 7 games (4 starts) for the TripleâÂÂA Toledo Mud Hens, Mariot posted a 3âÂÂ1 record and 5.40 ERA with 20 strikeouts across innings pitched.
On July 24, 2022, Mariot's contract was purchased by the CTBC Brothers of the Chinese Professional Baseball League. Mariot made 5 appearances (3 starts) for the Brothers, posting a 1âÂÂ3 record and 2.95 ERA with 11 strikeouts in 18.1 innings pitched. He was released by the team on September 19.
On May 2, 2023, Mariot signed with the Cleburne Railroaders of the American Association of Professional Baseball. In 5 starts for the Railroaders, Mariot registered a 1âÂÂ1 record and 5.06 ERA with 29 strikeouts in innings pitched.
On June 10, 2023, Mariot's contract was purchased by the Cincinnati Reds, marking his second stint with the organization. In 4 starts for the TripleâÂÂA Louisville Bats, he registered a 2.59 ERA with 14 strikeouts in innings pitched. On July 8, the Reds selected Mariot's contract, adding him to the major league roster. Mariot went unused out of the bullpen and was designated for assignment by the Reds the next day after Ben Lively was activated from the injured list. He cleared waivers and was sent outright to TripleâÂÂA Louisville on July 12. On September 4, Mariot was selected back to the major league roster. That day, he made his first MLB appearance since 2016, allowing one run on four hits, two strikeouts, and one walk in innings of relief work. The following day, Mariot was designated for assignment following the promotion of Kevin Herget. He cleared waivers and accepted an outright assignment to Louisville on September 7. On October 2, Mariot elected free agency.
On December 15, 2023, Mariot signed with the Diablos Rojos del México of the Mexican League. However, he was released prior to the LMB season on March 27, 2024. The following day, Mariot signed a minor league contract with the Seattle Mariners. He made 28 appearances (25 starts) for the Triple-A Tacoma Rainiers, compiling a 9-7 record and 5.84 ERA with 101 strikeouts across innings pitched. Mariot elected free agency following the season on November 4.
On March 4, 2025, Mariot signed with the Diablos Rojos del México of the Mexican League. However, on April 11, Mariot signed a minor league contract to return to the Mariners organization. He made 23 appearances (eight starts) for Tacoma, compiling a 4-4 record and 5.74 ERA with 52 strikeouts over 69 innings of work. Mariot elected free agency following the season on November 6.