Minnesota native Caleb Thielbar is set to make his major league debut with his hometown team. The Twins announced Monday that Thielbar, a left-handed reliever, has been recalled from Triple-A Rochester. To make room for Thielbar on the roster, Minnesota optioned left-hander Pedro Hernandez to Rochester. Thielbar, a native of Randolph, Minn., pitched in 17 games as a reliever this year with the Red Wings. He posted a 3.76 ERA with 34 strikeouts and eight walks in 26 1/3 innings. Thielbar has pitched in eight straight games without allowing an earned run, dating back to late April. Last year he pitched for three of Minnesota's minor league affiliates and eventually ascended to Triple-A, where he was 3-1 with a 3.57 ERA in 25 games. The 26-year-old Thielbar was originally drafted by the Milwaukee Brewers in the 18th round of the 2009 draft and was signed by the Twins as a minor league free agent in 2011. Before he signed with Minnesota, Thielbar pitched for the independent St. Paul Saints of the American Association.