Players who played both sides of Cardinals-Cubs rivalry
Frank Verdi – Society for American Baseball Research
Cardinal Tribute
St. Louis Cardinals in History — On This Day in Sport
Obituary: Ken Reitz (1951-2021) – RIP Baseball
Ken Reitz Baseball Stats by Baseball Almanac
In memoriam: Remembering the Cubs we lost in 2021 - Bleed Cubbie Blue
Former Cards 3B Ken Reitz passes away at 69 Midwest News - Bally Sports
St. Louis Cardinals in History — On This Day in Sport
Zamboni' Reitz, defensive whiz at third base for Cardinals, dies at 69
Former Cardinal Ken Reitz Has Died - News from Rob Rains