Oakland Athletics (2000–2006) 2000 Zito made his major league debut on July 22, 2000, against the Anaheim Angels wearing #53. He allowed one run in five innings, and got the win. In his next start, Zito went seven innings while giving up three runs to the Boston Red Sox. Zito continued to have great success early in his rookie season. In his third career start, he went seven innings and gave up one run against the Toronto Blue Jays. On September 10, Zito pitched his first complete game shutout against the Tampa Bay Devil Rays. He threw 110 pitches, struck out eight, and allowed five hits. During September, he went 5–1 with a 1.73 ERA. Zito finished with a 7–4 record and a 2.72 earned run average in 14 starts. Despite his late start to the season, Zito still received a vote for the American League (AL) Rookie of the Year Award voting, finishing in a 4-way tie for sixth place with Steve Cox, Adam Kennedy and Mark Redman.
Oakland Athletics (2000–2006) 2000 Zito made his major league debut on July 22, 2000, against the Anaheim Angels wearing #53. He allowed one run in five innings, and got the win. In his next start, Zito went seven innings while giving up three runs to the Boston Red Sox. Zito continued to have great success early in his rookie season. In his third career start, he went seven innings and gave up one run against the Toronto Blue Jays. On September 10, Zito pitched his first complete game shutout against the Tampa Bay Devil Rays. He threw 110 pitches, struck out eight, and allowed five hits. During September, he went 5–1 with a 1.73 ERA. Zito finished with a 7–4 record and a 2.72 earned run average in 14 starts. Despite his late start to the season, Zito still received a vote for the American League (AL) Rookie of the Year Award voting finishing in a 4-way tie for sixth place with Steve Cox, Adam Kennedy and Mark Redman.