As you would expect, a fair number of big league debuts as Twins on September 1, three of them were catchers.
Josmil Pinto (C) – September 1, 2013 – Signed by the Minnesota Twins as an amateur free agent on February 14, 2006. Debuted at the Rangers Ballpark in Arlington in a 4-2 Twins win. Pinto was the starting catcher hitting 8th in the batting order and was 2 for 4 with a double, also scoring once and knocking in a run.
Alexi Casilla (2B/SS) – September 1, 2006 – Traded by the Los Angeles Angels of Anaheim to the Minnesota Twins for J.C. Romero on December 9, 2005. First game took place in Yankee Stadium II in a Twins 8-1 loss to New York. Casilla entered the game as a pinch-hitter and drew a walk.
Terry Tiffee (3B/1B) – September 1, 2004 – Drafted by the Minnesota Twins in the 26th round of the 1999 MLB June Amateur Draft. Debuted in the Dome in a 4-2 Twins win over the Rangers. Tiffee entered the game in the sixth inning to play 3B and he had 2 at bats and he had a single and a double which knocked in two runs (tieing and winning).
Rob Bowen (C) – September 1, 2003 – Drafted by the Minnesota Twins in the 2nd round of the 1999 MLB June Amateur Draft. Bowen debuted as a sub for A.J. Pierzynski in the 9th inning of a 10-2 Twins loss at the Metrodome going 0 for 1.
Pedro Munoz (OF) – September 1, 1990 – Traded by the Toronto Blue Jays with Nelson Liriano to the Minnesota Twins for John Candelaria on July 27, 1990. Debuted at the Dome in the Tigers 9-5 win over Minnesota as the DH hitting in the seven hole. Tough debut going 0 for 4 with 2 strike outs.
Lenny Webster (C) – September 1, 1989 – Drafted by the Minnesota Twins in the 21st round of the 1985 amateur draft. Webster debuted in the 9th inning in the Skydome as a defensive replacement at catcher in a Twins 7-3 defeat at the hands of the Blue Jays.