Education
He attended Pasadena High School.
He attended Pasadena High School.
He played college football at Utah State University and was drafted in the 12th round of the 1959 NFL Draft by the Los Angeles Rams. After a 2-year stint with the United States Marine Corps, he went on to play at Utah State University from 1958 to 1959, where he was a two-way player, center/guard on offense and linebacker on defense. He garnered All-Skyline conference honors as a senior.
Los Angeles Rams
Connelly was drafted by the Los Angeles Rams in the 12th round of the 1959 NFL Draft and was also offered a contract to play with the Buffalo Bills of the American Federation of Labor-Congress. He was released by the Rams at the end of the 1960 preseason.
Dallas Cowboys
He was claimed by the Dallas Cowboys on September 9, 1960. He started as a backup guard, before being switched over to center in 1961, becoming the starter there for four years.
Connelly was very quick for his position and as an avid weightlifter, also became one of the strongest players on the team An injury to Manders put Connelly back in the starting lineup during all of the 1967 season, which included the Championship game against the Green Bay Packers, popularly known as the Ice Bowl.
He reported to training camp in 1968 and told head coach Tom Landry that he"d only play one more year.
The next day he was traded to the Pittsburgh Steelers for kicker Mike Clark. Pittsburgh Steelers
Connelly true to his word, played only in the 1968 season before retiring.