The 23-year-old Misiorowski has made just five starts for the Brewers, going 4-1 with a 2.81 ERA while averaging 99.3 mph on his fastball, with 89 pitches that have reached 100 mph.

Rookie pitcher Jacob Misiorowski has only played five MLB games. But in that short time, the Milwaukee Brewers starlet has produced such impressive performances that he was named a National League All-Star on Friday,

Misiorowski, who has made just five big-league starts wiht the Milwaukee Brewers, will represent the National League on Tuesday night.