When the Jacksonville Jaguars sent Blaine Gabbert to the San Francisco 49ers in the spring, it was easy to say that they sold the former top-10 pick for pennies on the dollar. Now it looks like the Jaguars fleeced them.Gabbert has been awful in the preseason in his attempt to win the 49ers' backup job, which once was thought to be a sure thing, behind Colin Kaepernick. Through two games, Gabbert is 11-of-25 passing (44 percent) for 60 yards with two interceptions.[ Smack talk season is back at Yahoo Sports: Sign up and play free Fantasy Football!]Yet head coach Jim Harbaugh remains unconcerned. He said there are no plans to seek another quarterback.Jim Harbaugh said 49ers will not look for another QB. "We got good quarterbacks," he said.— Matt Maiocco (@MaioccoCSN) August 17, 2014In the 49ers' second preseason game Sunday against the Denver Broncos, Gabbert was 8-of-14 for 40 yards — all on short completions. The one time he drove the ball downfield, Gabbert was picked. He also gunned a short pass to a wide-open Jewel Hampton on what should have been an easy completion that ended up behind the receiver, tipped in the air and almost picked off as well.The problem with...