Blue Jays acquired RHP Sean O'Sullivan from the Royals for cash considerations.
Royals sent RHP Sean O'Sullivan outright to Triple-A Omaha.
Sean O'Sullivan tossed five no-hit innings against the White Sox on Friday night.
Sean O'Sullivan will start Tuesday against the Twins.
Royals recalled RHP Sean O'Sullivan from Triple-A Omaha.
Royals activated Sean O'Sullivan (biceps) from the disabled list and assigned him to Triple-A Omaha.
Sean O'Sullivan (biceps) allowed four runs on six hits over 2 1/3 innings Wednesday in his first minor league rehab start with Triple-A Omaha.
Sean O'Sullivan (biceps) will begin a rehab assignment with Triple-A Omaha Wednesday.
Sean O'Sullivan (biceps) is using his time on the disabled list to go back to his old delivery.
Royals placed RHP Sean O'Sullivan on the 15-day disabled list with right biceps tendinitis.
Sean O’Sullivan continued his downward spiral Thursday, allowing seven runs – three earned – on eight hits and two walks over just 2 2/3 innings in a loss to the Twins.
Sean O'Sullivan allowed 10 earned runs in 5 2/3 innings Saturday as the Royals lost to the Rangers.
Sean O'Sullivan was knocked around for seven earned runs in 4 1/3 innings against the Cardinals Sunday.
Sean O’Sullivan did enough to pick up his second win Thursday, holding the Yankees to four runs on six hits and two walks over 6 2/3 innings in the 11-5 win.