Shun Yamaguchi

 is a Japanese professional baseball pitcher for the San Francisco Giants. He previously played for the Yokohama BayStars/Yokohama DeNA BayStars and the Yomiuri Giants of the Nippon Professional Baseball (NPB), and for the Toronto Blue Jays of Major League Baseball (MLB).
He is the first Japanese player to make his MLB debut with the Blue Jays, and also first MLB player who had never played any baseball teams in the United States. 
Career.
Yokohama DeNA BayStars.
The Yokohama BayStars selected Yamaguchi with the first round in the . He began his professional career with the Yokohama BayStars in 2006. He played for Yokohama from 2006 through 2016. He won all-star honors in the 2010, 2011, and 2016 seasons with the club.
Yomiuri Giants.
He signed as a free agent with the Yomiuri Giants in 2017. On July 27, 2018, Yamaguchi threw a no-hitter. In 2019, he posted a 15–4 record (.789 winning percentage) that led Japan's Central League, along with a 2.91 ERA and 188 strikeouts over 170 innings. After the season, on October 1, 2019, he was selected for the Japan national baseball team at the 2019 WBSC Premier12. After the 2019 WBSC Premier12, on November 18, 2019, Giants held a press conference announcing the team has allowed Yamaguchi to enter the posting system to play in Major League Baseball (MLB). Paperwork for the posting was completed on December 3, 2019 and Yamaguchi became the first player in Giants history to be posted.
Toronto Blue Jays.
On December 28, 2019, Yamaguchi signed a two-year, $6.35 million contract with the Toronto Blue Jays. On January 15, 2020, he held a press conference in Toronto. After the press conference, he stayed in Toronto, and attended a fan meeting. On March 26, he returned to Japan due to the COVID-19 pandemic. He returned to Toronto after the MLB announcement of the 2020 regular season. Yamaguchi was issued uniform # 1, being only the fifth Toronto pitcher (not initially listed as a position player) to ever pitch in a game wearing a single digit uniform number after Josh Towers, Kyle Drabek, Marcus Stroman, and Clayton Richard.
On July 27, 2020, Yamaguchi made his MLB debut. He became the first Japanese player who made his MLB debut as a Blue Jays member. On August 26, 2020, he earned his first MLB win. With the 2020 Toronto Blue Jays, Yamaguchi appeared in 17 games, compiling a 2–4 record with 8.06 ERA and 26 strikeouts in 25 innings pitched.
On February 11, 2021, Yamaguchi was designated for assignment. On February 13, Yamaguchi was released by the Blue Jays.
San Francisco Giants.
On February 20, 2021, Yamaguchi agreed to a contract with the San Francisco Giants, reportedly a split major league/minor league deal.
Playing style.
Yamaguchi is a 6 ft 2 in, 225 lb right-handed pitcher. He throws a fastball averaging 90 mph (tops out at 95 mph) as a starter. The forkball is his primary secondary pitch and he also has a slider.
Personal life.
His father is Hisashi Yamaguchi, a former champion sumo wrestler.
On December 25, 2014, Yamaguchi married Japanese gravure idol and (高木 加織, "Takagi Kaori", born July 23, 1985). The marriage was only announced on March 14, 2015 by Takagi in her official blog and less than a week later, their daughter was born on March 20, 2015. Takagi gave birth to their second child, a son, on August 20, 2016.
Yamaguchi was suspended for the second half of the 2017 season, after being charged with causing bodily harm to a hospital security guard as well as heavy damage to hospital property, while intoxicated. He reportedly was at the hospital to receive treatment on his pitching hand. 