Rahn played 318Bundesliga matches in his professional career,[1] scoring the majority of his 107 Bundesliga goals in his eight years atBorussia Mönchengladbach where he grew to aWest Germany international and lifted thekicker-Torjägerkanone award for scoring the most goals in the Bundesliga of 1986–87. Theattacking midfielder scored 24 goals that season, fourteen in the course of the final nine weeks of the season. Subsequent to this achievement, Rahn was awardedFootballer of the Year (Germany) in 1987. Shortly after, he was poised to joinPSV Eindhoven as a replacement forRuud Gullit, but a move stalled and did not take place. Less impressive in scoring the season after, Rahn's form decreased massively then and ended in pittance-like transfers to1. FC Köln,Hertha BSC,Fortuna Düsseldorf,Eintracht Frankfurt and finallyUrawa Red Diamonds of Japan, the club where he finished his career. All the way through those clubs and years he couldn't get his form (and career) back on, something signified by the decreasing length of his spells.
Rahn, who was from time to time used asstriker, appeared in a total of 14 matches for West Germany in between 1984 and 1987.[2] In those games he scored five goals, the most important of them seconds after coming on as a second-half substitute forFelix Magath on his debut againstSweden in a World Cup qualifier on 17 October 1984. Hampered by injury, he was part of the1986 FIFA World Cup squad of his nation but did not come to action in the tournament. Rahn also competed for West Germany at the1984 Summer Olympics.[3]