When he was 12, Kruger started playing football at halfback, but he soon grew in size to be more fit as a lineman.
Starting at age 13, he pushed steel on Santa Fe track gangs and on oil rigs.
As a sophomore at Caldwell High School, he weighed 190 pounds and was 6 feet 2 inches tall.
[4] His ten year younger brother, Rolf Krueger, also played college football at Texas A&M and in the NFL.
[15] Nicknamed the "Textbook Tackle,"[10] his defensive teammates included Pro Football Hall of Fame members Dave Wilcox at linebacker and Jimmy Johnson at cornerback.
[18] Krueger's 15-year tenure with the 49ers is tied with Len Rohde for fourth in team history, behind John Brodie, Jerry Rice, and Jimmy Johnson.
[19] He was a mentor, father figure, or big brother to many players on the team; and was particularly close with Howard Mudd.
The judge found that Krueger received repeated anesthetic injections during his NFL career so that he could continue to play in spite of significant knee injuries.
The decision found that the 49ers were not truthful with Krueger regarding the seriousness of his injuries, which left him with severe chronic pain after his playing days.
I'm a dinosaur who's survived the Ice Age only to discover I'm caught between hard rock and hot clothes.
[21] A man of diverse interests and friendships, the small-town rugged Texas football lineman married the European educated daughter of San Francisco Opera General Director Kurt Herbert Adler.