Louis "Lou" Ahrens was an American soccer forward

Striker

Forwards, also known as strikers, are the players on a team in association football who play nearest to the opposing team's goal, and are therefore principally responsible for scoring goals...

 who spent his entire career in the St. Louis Soccer League

St. Louis Soccer League

The St. Louis Soccer League was a soccer league based in St. Louis, Missouri, that existed from 1907 to 1938. At its founding, it was the only fully professional soccer league in the United States.-History:...

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Ahrens played for Wellstones from at least 1927 until 1929. He scored ten goals for Wellstones during the 1928-1929 season, tying him for third on the goals list. In 1931, he is listed with Stix, Baer and Fuller F.C.

Stix, Baer and Fuller F.C.

Stix, Baer and Fuller F.C. was a U.S. soccer club which played in the St. Louis Soccer League from 1931 to 1934. The team was known as Hellrungs from 1929 to 1931, St. Louis Central Breweries F.C. from 1934 to 1935 and St. Louis Shamrocks from 1935 to 1938. During its short existence, it won two...

  In 1932, Stix, Baer and Fuller went to the final of the 1932 National Challenge Cup

1932 National Challenge Cup

The 1932 National Challenge Cup was the annual open cup held by the United States Football Association now known as the Lamar Hunt U.S. Open Cup.-Eastern Division:-Western Division:a) aggregate after 3 games, Stix advance 2 games to 1-First game:...

 where they fell to the New Bedford Whalers

New Bedford Whalers

New Bedford Whalers was the name of three United States soccer teams based in New Bedford, Massachusetts. The first Whalers played in the Southern New England Soccer League between 1914 and 1918. The second Whalers played in the American Soccer League between 1924 and 1931 before merging into Fall...

8-5 on aggregate. Ahrens scored a goal in the second game. He later moved to Hellrung.

He was inducted into the St. Louis Soccer Hall of Fame in 1975.