Toronto won 5-1 in a double header match against the Kansas City Royals in the 2021 Major League, held at the Coffman Stadium in Kansas City, Missouri on the 17th.With this victory, Toronto set the season's win rate to 50% (7-7).

Toronto gained the lead with two RBIs and doubles by Lourdes Guriel Jr., who came out of two first, second, and second bases in the first inning.In the 5th inning, Jonathan Davis,who started as the lead batter,fired a left-hand solo gun, and in the 6th inning, Vladimir Guerrero Jr also added the leading batter solopo.

Andrew Benintendi of Kansas City scored one RBI and doubled the chase at the end of the sixth inning at the end of the sixth inning.Immediately at the beginning of the 7th inning, Marcus Semien returned the difference in score by recording a sacrifice fly with 1 RBI toward center field from 1st 3rd base.

Toronto won the game with Rafael Dolis in the 7th inning with a free hit and a walk without a run in the 7th inning. Since last year when the schedule changed due to the Corona virus in the major leagues, the double header game has been shortened to 7 innings.

Toronto starter Steven Matz won three games in the season with two hits in six innings, five strikeouts, two walks and one run. In the at-bats, Guerrero Jr. played an active part with two hits, two points and one RBI, Randal Grichuck, two hits, one point, and Davis with two hits, two points and one RBI.

Meanwhile, a double header was formed on the 18th as the game was canceled on the 17th in Toronto and Kansas City. This led to a change in the Toronto starting rotation, and Hyun-jin ryu started an away game against the Boston Red Sox on the 21st, not against Kansas City on the 19th.