In 1923, McManus again appeared in 154 games for the Browns, 133 at second base and 20 at first base. He compiled a .309 batting average and .367 on-base percentage and finished 15th in the voting for the American League Most Valuable Player award. He ranked among the league's leaders with 60 extra base hits (fifth), 15 home runs (seventh), 94 runs batted in (seventh), a .481 slugging percentage (seventh), and 280 total bases (seventh). He also ranked among the leading defensive second basemen in the league with 386 putouts (third), 373 assists (fourth), 86 double plays turned (second), 32 errors (second), a .960 fielding percentage (fourth) and a 5.71 range factor per game (fourth).