The Washington Nationals activated newly acquired right-hander Brandon Kintzler on Wednesday.The team also recalled right-hander A.J. Cole from Syracuse, while right-hander Erick Fedde and left-hander Sammy Solis were optioned to the Triple-A club. Kintzler, 32, was acquired from the Minnesota Twins on Monday. The 2017 All-Star was the closer for the Twins.In his seventh major league season, Kintzler has a career 12-13 record with a 3.24 ERA over 280 2/3 innings in 271 relief appearances. He saved 45 games for the Twins since June 2016.Kintzler, who turned 33 on Tuesday, ranks third in the major leagues while converting 28 of 32 save opportunities for Minnesota. He is in the midst of a career year, going 2-2 with a 2.78 ERA over 45 1/3 innings.Cole, 25, joins the Nationals for his second major league assignment of the season. In his previous call-up, he made one start, going 1-0 with a 1.50 ERA with six innings of one-run ball (six hits, four walks) at Philadelphia on May 6. Cole is 4-4 with a 5.66 ERA in 16 starts with Triple-A Syracuse this season.Fedde, 24, made his major league debut in the first game of Sunday's doubleheader against the Colorado Rockies. He tossed four innings and was charged with seven earned runs. Fedde is 4-4 with a 3.72 ERA in 27 minor league games this with Double-A Harrisburg and Syracuse.Solis, 28, appeared in two games in his most recent stint with the big-league club, allowing two earned runs in 1 2/3 innings. He went 1-2 with a 4.50 ERA in six games with Syracuse after being optioned to Triple-A on July 9. He has appeared in 12 games for the Nationals, missing 65 games from April 19-July 1 with left elbow inflammation.