Miguel Tejada won't be coming to play for the Orioles for a third time -- at least this season. Tejada has signed a one-year, $6.5 million contract with the Giants. After losing Juan Uribe, who recently signed a three-year deal with the Dodgers, the Giants were convinced that they needed another infield option, so they brought in Tejada, who can play both shortstop and third base if needed.
According to the MLB Trade Rumors article linked above, written by Ben Nicholson-Smith, the Giants will probably use Tejada at shortstop, but he may also see some playing time at third, especially since "[t]hird baseman Pablo Sandoval is falling out of favor with the Giants." That's not to suggest that the Giants are looking to move Sandoval, but the O's, who are looking to upgrade at both corner infield positions, would at least be intrigued if Sandoval were made available.
The Baltimore Sun's Dan Connolly, in a post on Orioles Insider, notes that Ryan Theriot won't be the O's shortstop next season either, since the Dodgers just traded him to the Cardinals. The O's are still looking to make an improvement at shortstop and may not want to bring back Cesar Izturis for another year or two.
Connolly also mentions Jason Bartlett (Rays) and J.J. Hardy (Twins) as possible trade targets, but no deal seems imminent. I'd rather the O's go after Hardy instead of Bartlett, and Connolly also hints that the O's favor Hardy as well.