A lot of the Angels' career minor league pitchers have shown up and continue to appear in the current run of "K" Folders. There will be updates aplenty to this list.
Scott Oliver RHP With Angels from 1981-85: (GT 114-115, KF 926-927)

Frank Panick RHP with Angels 1974-77: (KF 199-200)

Carlos Perez RHP with Angels 1975-80: (GC 201-202, KG 669-670)

John Racanelli RHP with Angels 1976-78 (no appearance yet, was first-round pick in 1976)

Thor Skogan (from Norway!) LHP with Angels 1969-73 (HC 048-049, KF 672-673)