[1] He played baseball for the Tremont Triangles, Highbridge Athletics, Bronx Giants, Brooklyn Bushwicks, and Bay Parkways.

The Hartford Courant wrote at the teim: "If 'Heinie' Scheer can come through with the old wallop against big league pitching he will be one of the sensations of baseballdom.

"[7] Scheer appeared in 51 games and compiled a .170 batting average for the 1922 Athletics team that finished in seventh place in the American League with a record of 65–89.

[10] In June 1923, one reporter noted Scheer's improvement as a batter: "The player was a frail lad and shy on hitting, but the youngster is getting some power behind his blows now.

[10] On December 14, 1923, Scheer was traded by the Athletics with another player and $40,000 in cash to the Milwaukee franchise in the American Association for Hall of Fame outfielder Al Simmons.

[18] In 2003, one writer noted that Berg and Scheer "may be the only documented Jewish double play combination in the history of professional baseball.

"[19] In the six years from 1924 to 1929, Scheer played for at least 10 minor league teams, including stints in Wilkes-Barre (1925), Reading (1925), Baltimore (1926), Terre Haute (1927), New Haven (1928), Hartford (1929),[20] Allentown (1929), and St. Thomas, Ontario (1929).