Ted Kluszewski who played 1255 games at first base for Cincinnati between 1947-1957.
Don Kolloway played in 118 games at first base and Dick Kryhoski played 47 games at first base.
No player did that solely for the Twins.Rod Carew, who played with the Twins and Angels, played 1184 games at first base and 1130 games at second base during his career. 1128 of the games at second base were with the Twins but he played only 412 games at first base for the team. The other 718 games he played at first base was with the Angels.
Al Libke played in 2 games at first base for the Cincinnati Reds in 1945, starting in none of them. He made 13 putouts, had no assists, and committed no errors, equivalent to 0 errors per game (estimate based on total games played in). He had one double play.
Ted Kluszewski played in 2 games at first base for the Cincinnati Reds in 1947, starting in none of them. He made 10 putouts, had no assists, and committed no errors, equivalent to 0 errors per game (estimate based on total games played in). He had one double play.
Rube Bressler played in 3 games at first base for the Cincinnati Reds in 1922, starting in none of them. He made 16 putouts, had no assists, and committed no errors, equivalent to 0 errors per game (estimate based on total games played in). He had no double plays.
Sam Bohne played in 2 games at first base for the Cincinnati Reds in 1925, starting in none of them. He made 18 putouts, had no assists, and committed no errors, equivalent to 0 errors per game (estimate based on total games played in). He had no double plays.
Heinie Peitz played in 2 games at first base for the Cincinnati Reds in 1901, starting in none of them. He made 9 putouts, had one assist, and committed no errors, equivalent to 0 errors per game (estimate based on total games played in). He had no double plays.
Joe Kelley played in 2 games at first base for the Cincinnati Reds in 1905, starting in none of them. He made 14 putouts, had no assists, and committed no errors, equivalent to 0 errors per game (estimate based on total games played in). He had 2 double plays.
Admiral Schlei played in 3 games at first base for the Cincinnati Reds in 1907, starting in none of them. He made 8 putouts, had no assists, and committed one error, equivalent to .333 errors per game (estimate based on total games played in). He had no double plays.
Doc Johnston played in 3 games at first base for the Cincinnati Reds in 1909, starting in none of them. He made 25 putouts, had 2 assists, and committed no errors, equivalent to 0 errors per game (estimate based on total games played in). He had no double plays.
Dode Paskert played in 2 games at first base for the Cincinnati Reds in 1910, starting in none of them. He made 12 putouts, had no assists, and committed 2 errors, equivalent to 1 errors per game (estimate based on total games played in). He had no double plays.
Milt Galatzer played in 2 games at first base for the Cincinnati Reds in 1939, starting in none of them. He made 11 putouts, had no assists, and committed no errors, equivalent to 0 errors per game (estimate based on total games played in). He had no double plays.