Dolis uses a black glove during regulation games and a purple glove during practices. He was inspired to use a purple glove when he saw teammate Shintaro Fujinami using one this year.
Source: Sanspo 8/15/2016
August 23, 2017 vs Yakult at Jingu Stadium – Dolis recorded his thirtieth save of the year and joined Kyuji Fujikawa (2007, 2008, 2011) and Seung-Hwan Oh (2014, 2015) as the only pitchers in Hanshin Tigers’ franchise history to save thirty or more games in a season.
Source: Nikkan Sports 8/24/2017
August 29, 2017 vs Yokohama at Koshien Stadium – Dolis set a new Hanshin Tigers’ franchise record by topping 161km/h while facing Kotaro Yamasaki in the ninth inning. The previous record of 160km/h was set by Shintaro Fujinami last year on September 14.