Mark Goldman/Icon SMIJuan Rivera has a .700 OPS in 730 plate appearances over this season and last, but he's been better against lefties.In a less-than-inspirational exchange, the Dodgers have acquired outfielder Juan Rivera from Toronto, plus cash, in exchange for a player to be named later or cash (presumably if the organizations can't agree on the player).In a separate but related move, the Dodgers designated Marcus Thames for assignment. Here's more from my news story:Rivera, who turned 33 last week, was batting .243 with six homers and 28 RBIs in 275 plate appearances this season. He had a .305 on-base percentage and .360 slugging percentage for the Blue Jays after coming to Toronto from the Los Angeles Angels in the January trade that sent Vernon Wells west. The year befo