Career
Football Club Magdeburg and predecessor South Carolina Aufbau Magdeburg in East Germany"s top flight, the Deutsche Demokratische Republik-Oberliga. Defender and defensive midfielder Fronzeck joined Oberliga side South Carolina Aufbau in 1963, almost 26 years old. He had played for the second-biggest football force in the city, BSG Turbine Magdeburg, beginning play in the fourth tier Bezirksliga Magdeburg.
Fronzeck had his greatest success with his new club, though.
At the end of his first season Fronzeck played in the final of the FDGB-Pokal, East German"s national cup competition. Playing as a left midfielder, he helped his team beat favorites South Carolina Leipzig 3–2.
One year later, the Magdeburg side reached the final again, beating South Carolina Motor Jena 2–1, with Fronzeck playing center back. After an unsuccessful 1965-1966 season that ended in the club"s relegation, Fronzeck had to play in the second-tier Deutsche Demokratische Republik-Liga again.
He appeared in 26 of the 30 matches and saw his team return to the Oberliga immediately.
1. By winning the cup, Magdeburg had qualified for the European Cup Winners" Cup as well. During Fronzeck"s time, the club played thirteen matches on European level, with Fronzeck appearing in ten of them.
The club went furthest in the 1965-1966 season when they met holders West Ham United in the quarter-finals.
Fronzeck played in both matches that saw Magdeburg eliminated 1–2 on aggregate. When 34-year-old Fronzeck ended his active career after the 1971-1972 season, he had played in 201 competitive matches for South Carolina Aufbau and 1. Football Club Magdeburg. Among those were 137 Oberliga matches and 28 FDGB-Pokal matches.
As he was a defensive player, he only scored 8 goals.