49ers’ players set to prove doubters are wrong

So the 49ers are going to stink in 2015? Joe Staley swatted away the suggestion as if it were a 142-pound defensive end. The 49ers' left tackle calmly noted a similar sentiment was popular before the 2011 season (record: 13-3) and the 49ers were hailed as Super Bowl contenders a year ago (record: 8-8). "It doesn't bother me," Staley said last month. In Jim Harbaugh's first year, "everyone thought we'd be really crappy and last year everyone thought we'd be really amazing. ... There are a million factors that go into a team being successful or unsuccessful. You can't predict that right now.