Complex sentence: Although he started in 1961 and 1962 as a strongside linebacker, in 1963 he embraced the switch to weakside linebacker, when it was decided that Dave Edwards had more upper-body strength.
Split into simpler sentences: Although he started in 1961 and 1962 as a strongside linebacker. In 1963 he embraced the switch to weakside linebacker, when it was decided that Dave Edwards had more upper-body strength.