Frank Schwindel - Wikipedia
Top 25 Cubs prospects: 2022 preseason - Marquee Sports Network
Top 25 Cubs prospects: 2022 preseason - Marquee Sports Network
Frank (Schwindel) talk about the Tank - Bleed Cubbie Blue
Cubs notebook: Frank Schwindel finding his groove again - Chicago Sun-Times
Chicago Cubs: 69 thoughts on 69 players to play in 2021
BCB After Dark: After Hours Chicago Cubs David Ross - Bleed Cubbie Blue
Frank Schwindel, at age 29, finds success with Chicago Cubs
Chicago Cubs: 69 thoughts on 69 players to play in 2021