Pedzisa mutsara unotevera: O'Brien akapedza chikamu chenguva mbiri nezvikwata zveWashington neCleveland asati atamira kuBoston. Mwaka wake wakabudirira zvikuru wakauya muna 1899 se rookie, akarova.282 uye akasvika pabasa-rakakwirira mumitambo yemusha (6), RBI (51), inomhanya (68), yakabiwa mabhesi (17) nemitambo yakatambwa (127). Asi anonyanyoyeukwa somutambi wokutanga kuita pinch-hit mumutambo weWorld Series, paakarova muchengeti weBoston Lou Criger mu9th inning yeMutambo Wokutanga we
Nhevedzano ya1903 inopesana nePittsburgh. O'Brien akanga ari oga mupfungwa yechokwadi yeshoko racho, uye akanga ane mukana wokuramba ari oga nokusingaperi pasinei nebasa rake pfupi uye risina mukurumbira. Akanga ari.259 hitter mumitambo 326, kusanganisira mapfumbamwe epamba ne133 RBI uye 171 inomhanya.