KANSAS CITY MO - JULY 30: Starting pitcher Sean O'Sullivan #37 of the Kansas City Royals warms-up just prior to the start of the game against the Baltimore Orioles on July 30 2010 at Kauffman Stadium in Kansas City Missouri. (Photo by Jamie Squire/Getty Images)
The Kansas City Royals sent Sean O'Sullivan to the Toronto Blue Jays.
The Royals acquired O'Sullivan from the Angels in the summer of 2010 in the trade that sent Alberto Callaspo to Los Angeles. O'Sullivan went on to appear in 14 games for the Royals that season, including 13 starts, posting an ERA and WHIP of 6.11 and 1.557. O'Sullivan appeared in 12 games for Kansas City in 2011, maintaining an ERA and WHIP of 7.25 and 1.783.
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