Korean pitcher Go Woo-suk is on his way back to the minor leagues after clearing waivers. The Minnesota Twins made the move Sunday (U.S. local time), two days after designating the right-hander for assignment following four games with their Triple-A affiliate, the St. Paul Saints. Once a player is designated for assignment, he can be traded or placed on irrevocable waivers within seven days. And if the player clears waivers — that is, if no team picks that player from waivers — then he may be sent outright to the minors or released, becoming a free agent. Since the annual trade deadline had already passed, Go had to wait and see if any team would claim him off waivers. When no team showed interest in Go, the Twins chose to send the pitcher back to the Saints instead of releasing him. Go made his long-awaited Major League Baseball (MLB) debut with the Twins on July 9, more than two years after first moving to the United States by signing with the San Diego Padres. But Go lasted just four games and four innings with the big league club, giving up four earned runs on eight hits, includin