[2][3] Murata joined the Cleveland Indians on December 19, 2010,[4] though his American career began before that—he pitched nine games for the Scottsdale Scorpions of the Arizona Fall League in 2009 and was named a "Rising Star.

"[5] In 2011, he made his professional debut, going 3–2 with 58 strikeouts, 37 hits, 10 walks and a 2.36 ERA in 49 2/3 innings for the High-A Kinston Indians.

Between the High-A Carolina Mudcats, Double-A Akron Aeros and Triple-A Columbus Clippers in 2012, the hurler was 3–2 with a 2.89 ERA in 27 games (10 starts).

[8] Murata was called up to the major leagues for the first time in his career on June 28, 2015, to start against the Baltimore Orioles as the 26th man on the roster for a doubleheader.

On November 18, 2016, Murata signed with the Hokkaido Nippon-Ham Fighters and returned to Nippon Professional Baseball.

[12] In 8 appearances with the main team in 2021, Murata struggled to a 9.31 ERA with 5 strikeouts in 9+2⁄3 innings pitched.