Immediately upon joining his new club, Page assumed the job of everyday left fielder, and showed poise with a promising career ahead of him when he batted.307 with 21 home runs and 75 runs batted in for the Oakland Athletics in his rookie year. He collected nine first place votes to Murray's twelve to finish second in voting for the AL Rookie of the Year Award. Page had a respectable season, batting.285 with seventeen home runs and 70 RBIs. He got into a contract dispute with A's owner Charlie Finley during Spring training, and wound up getting suspended by the owner for refusing to play in exhibition games. He was used as the designated hitter during the regular season as injuries had limited his range in the outfield. He produced just a.247 batting average with nine home runs and 42 RBIs in his new role. Page batted just.146 with four home runs and thirteen RBIs in the first half of the strike shortened season. When play resumed in August, Page saw just three more at-bats for the rest of the season, spending most of his time with the triple ATacoma Tigers. The A's won the first half of the season; Page was kept off the roster for 1981 American League Division Series against the Kansas City Royals and the 1981 American League Championship Series against the New York Yankees. Page spent most of with Tacoma and on the disabled list.
Pittsburgh Pirates
Page was released by the A's during Spring training. He signed a minor league deal with the Pittsburgh Pirates shortly afterwards, and in twelve at bats, hit.333, with three walks as a pinch hitter in August. After spending all of with Pittsburgh's Triple-A affiliate in Hawaii, he was released. In 673 games over 8 seasons, Page compiled a.266 batting average with 297 runs, 72 home runs and 259 RBI.
Coaching career
Page returned to Tacoma as their hitting coach from through, and served as first base coach for the Kansas City Royals from 1995 to 1997. He accepted a job with the St. Louis Cardinals as hitting coach for the Memphis Redbirds in. From there, he moved to minor league hitting coordinator in. Midway through the season, he was promoted to the St. Louis Cardinals as hitting coach. He remained with the club through the 2004 World Series, but left the post immediately afterwards to enter an alcohol treatment facility near his Oakland, California home. The Cards batted just.190 in the World Series against the Boston Red Sox. Page returned to baseball as minor league hitting instructor for the Washington Nationals in, and became the major league hitting coach in. Page left the job in May 2007 due to a relapse of his alcoholism. He returned to the organization later in the year as a roving minor league instructor. He rejoined the Cardinals' organization, and began as a coach with the Quad Cities River Bandits, but left in May due to "personal reasons."
Death
Page died in his sleep on March 12,, at the age of 59. The cause of death was not immediately disclosed.