Born in Kirkerup Denmark, Olaf Henriksen learned how to play baseball as a kid growing up in the States during the turn of the new century, 1900s. A talented defensive fielder, then as now, he was in high-demand as a left-handed hitting utility outfielder. A very likeable chap, the 5 ft 7.5 inch, 158 pound outfielder was quickly nick named the Swede by friends and the media.

Swede Henriksen played his entire 7-year career with the Red Sox and helped them win the 1912 pennant, the 1915 pennant and the 1916 pennant. And the Boston Red Sox won all three World Series. Defeating the NY Giants in 7 games in 1912, the Phillies in 5 games in 1915 and Brooklyn in 5 games in 1916. During these World Series Olaf Henriksen lined one hit in 3 at bats with 2 runs scored.