Tanner Johnson, son to Hall of Fame inductee Randy Johnson, watches Fotografía de noticias - Getty Images

Tanner Johnson, son to Hall of Fame inductee Randy Johnson, watches News Photo - Getty Images

Tanner Johnson, son to Hall of Fame inductee Randy Johnson, watches News Photo - Getty Images

Tanner Johnson, son to Hall of Fame inductee Randy Johnson, watches News Photo - Getty Images

Tanner Johnson, son to Hall of Fame inductee Randy Johnson, watches Foto di attualità - Getty Images

San Francisco Giants pitcher Randy Johnson greets his son, Tanner, after he achieved his 300th career win after the game against the Washington Nationals at Nationals Park in Washington on June 4

San Francisco Giants pitcher Randy Johnson greets his son, Tanner, after he achieved his 300th career win after the game against the Washington Nationals at Nationals Park in Washington on June 4

Tanner Johnson, son to Hall of Fame inductee Randy Johnson, watches Photo d'actualité - Getty Images

Tanner Johnson, son to Hall of Fame inductee Randy Johnson, watches News Photo - Getty Images

Tanner Johnson, son to Hall of Fame inductee Randy Johnson, watches News Photo - Getty Images