Moritz Baer began his international career in two competitions of the FIS Cup on September 28 and 29, 2014 in Zakopane, in which he finished 72nd and 29th. In the following winter, Baer competed in the Alpencup several times . He achieved his best placement on February 22, 2015 in Hinterzarten , where he was twelfth.
After strong performances in the Alpine Cup, he made his debut on February 11, 2017 in the Winter Continental Cup in Brotterode . He finished 12th and 21st in both competitions. At the end of the season, he finished 99th .