Complex sentence: Shug Jordan became head coach of the Tigers in 1951, and he was still coaching when the stadium was renamed to honor him in 1973, making it the first stadium in the United States to be named for an active coach.
Split into simpler sentences: Shug Jordan became head coach of the Tigers in 1951. He was still coaching when the stadium was renamed to honor him in 1973, making it the first stadium in the United States to be named for an active coach.