These guys made their major league debuts as Minnesota Twins on September 5.
Kyle Waldrop (P) – September 5, 2011 – Drafted by the Minnesota Twins in the 1st round (25th) of the 2004 MLB June Amateur Draft. Waldrop debuted at Target Field in a 4-0 loss to the White Sox pitching 1.2 innings (40 pitches) of relief and allowing 2 runs on 3 hits and a walk.
Francisco Liriano (P) – September 5, 2005 – Traded by the San Francisco Giants with Boof Bonser and Joe Nathan to the Minnesota Twins for A.J. Pierzynski and cash on November 14, 2003. Debuted in the Metrodome in relief in a 7-0 loss to the Rangers. Liriano threw 17 in his one inning of relief giving up a run on a home run to Gary Matthews, the first man he faced but he did strike out the next two batters.
Matt Lawton (OF) – September 5, 1995 – Drafted by the Minnesota Twins in the 13th round of the 1991 amateur draft. Debuted in a Tigers 6-4 win over the Twins at the Dome as a pinch-hitter but was struck out by Mike Christopher looking.
Jesus Vega (1B) – September 5, 1979 – Drafted by the Minnesota Twins from the Milwaukee Brewers in the 1977 minor league draft. Debuted at the old Met in a 8-3 Twins victory over the visiting Royals as a pinch-hitter but flew out to right field.
You can check out other Major League Debuts as Twins that I have done by going here.