Cowan was promoted to the Cubs in September 1963 after three stellar seasons in the minor leagues. After smashing 35 home runs at two levels in 1962, he was selected the 1963 Most Valuable Player and an all-star of the Triple-APacific Coast League, pacing the circuit in runs batted in (120). In 1964, Cowan was the Cubs' starting center fielder, appearing in 134 games and starting 127 in the position. He also hit an MLB-career-high 19 home runs. But he struck out 128 times (second in the National League), posted a poor .241 batting average and led the Senior Circuit by committing 11 errors in center field. During the off-season, he was traded to the Mets for former Cub all-star outfielder George Altman.
Cowan was a utility outfielder, occasional infielder, and pinch hitter for the remainder of his MLB career, and spent two full seasons (1966 and 1968) back in the minors. He had success coming off the Angels' bench during his 173-game tenure, batting .278 with 13 home runs. He retired after his final big-league game on April 24, 1972, when he struck out as a pinch hitter against Paul Lindblad.[1]
Cowan's 281 MLB hits included 44 doubles, eight triples, and 40 home runs. He batted .236 lifetime.
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