Ending speculation that today might be his last day in a Los Angeles uniform, the Dodgers have signed Tony Gwynn Jr. to a two-year contract rather than non-tender him.The 29-year-old Gwynn will earn a modest $850,000 in 2012 and $1.15 million in 2013. Gwynn will be a late-inning defensive replacement, spot-start and back up center field in case of a Matt Kemp calamity. You can look back on Gwynn's 2011 season here.Assuming James Loney isn't cast off by tonight's 9 p.