The Bonn Capitals have signed the 18-year-old catcher Vincent Ahrens for the 2012 season. The Baseball-Bundesliga club from the northern division announced the acquisition on its website on Thursday. He is coming from local rival and second-division winner Cologne Cardinals. He batted .321/.400/.357 with 28 runs and 13 RBI in 24 games this summer. He had a .378 caught stealing rate behind the plate, committing just one error.