Brown's most productive season came in 1930 for the poor-hitting Senators, when he posted career-best numbers with 16 wins, 15 complete games, and 258 innings pitched. In 1931, he won 15 games for Washington, collecting career-highs in earned run average (ERA) (3.20) and strikeouts (79), and again recorded 15 victories, in 1932.
Brown's most notable season occurred in 1930 with the Senators, where he achieved remarkable numbers with 16 wins, 15 complete games, and a career-high 258 innings pitched. This success was followed by similar achievements in 1931 and 1932, as he won 15 games for Washington and set new records in ERA (3.20) and strikeouts (79).