Sugano is currently slated to earn his international free agent option some time during the 2021 season. Speaking at an awards ceremony on December 12, he said he still had three or four more years to become the type of pitcher that deserved to go to the majors.
Source: Sanspo 12/12/2017
Sugano worked out in Hawaii with five other players after the 2017 season and apparently paid for everything out of his own pocket.
Source: Tokyo Sports 2/5/2018
May 23, 2017 vs Hanshin at Koshien Stadium – Sugano recorded his fiftieth career victory in his 109th game. Only three other pitchers in franchise history since 1950 have reached fifty victories in fewer games: Koji Uehara in eighty-five games in 2002, Suguru Egawa in ninety-eight games in 1982, and Tsuneo Horiuchi in 108 games in 1969.
Source: Nikkan Sports 5/24/2017
September 26, 2017 vs Yakult at Tokyo Dome – Sugano picked up his seventeenth victory of the year and became the first pitcher in the NPB to win seventeen or more games since Masahiro Tanaka won twenty-four in 2013. He is the first pitcher in the Central League to win seventeen or more games since Tetsuya Utsumi and Kazuki Yoshimi each racked up eighteen victories in 2011.
Source: Nikkan Sports 9/27/2017
Source: Nikkan Sports 11/28/2016
Source: Nikkan Sports 11/29/2017
Sugano became the fifteenth player in NPB history (fifth in Giants history) to reach the 450 million yen mark in salary in 2018. He has the second highest salary for a pitcher in Giants history, behind Toshiya Sugiuchi’s 500 million yen (2013-2015). He is the first pitcher in NPB history and Giants history to reach 450 million yen in their sixth year. The previous NPB record was Tadashi Settsu at 400 million yen in 2014; the previous Giants record was Koji Uehara at 300 million yen in 2004.
Yomiuri Giants Salaries, 450 million yen an up
Source: Sponichi 11/29/2017
Sugano donated 1.7 million yen (100,000 yen per victory, seventeen victories in 2017) to the Japan Service Dog Association during a ceremony on February 11, 2018. This was the third time Sugano made a donation to the association (December 2015, February 2017).
Source: Sponichi 2/11/2018