He was unable to walk for two years and spent twelve months strapped to a stretcher, completely immobilised with his back encased in a plaster cast.
His family moved to Sydney in search of some kind of miracle cure and, following a visit to a Chinese herbalist, the clots began to disappear.
First recruited as a schoolboy from Randwick Boys High School by the Eastern Suburbs club in 1928, Stehr made his first-grade debut in a trial match against Newcastle ahead of the 1928 season when he was aged just 15.
In 1934 Stehr joined the Mudgee club in rural NSW as a captain-coach and also captained Country in their annual clash against a Sydney representative side.
Regular captain-coach Dave Brown pulled out on match day with a leg injury and Stehr led the side to a victory in the final over Canterbury-Bankstown.
He played 33 matches for New South Wales, a tally which stands today at third place in the most games by a player for the state (behind Clive Churchill and Graeme Langlands).
During his career, the uncompromising front row forward had a short stint as a professional Boxer After playing retirement in 1946, he remained involved with the game.