Cal Ripken Sr. - Wikipedia

Baltimore Orioles - Wikipedia

Cal Ripken Jr. Academy of Achievement

Cal Ripken says he's cancer free after March surgery

Cal Ripken Jr. - Wikipedia

Baltimore Orioles - Wikipedia

Pictures: Fathers and sons in sports - Los Angeles Times

Hall of Famer Cal Ripken Jr. announces prostate cancer diagnosis

Cal Ripken Jr. Cards, Memorabilia and Autographs Guide

TIL Nolan Ryan is the only pitcher in MLB history to have struck out seven pairs of fathers and sons. : r/todayilearned