Tebow tutor calls Sanchez “fragile-minded”

All last season, Mark Sanchez and Tim Tebow never really reduced themselves to mud-slinging. Now, through the proxies of their private quarterback coaches, they’re taking shots at each other. Less than a week after Sanchez’s guy, Jeff Garcia called Tebow a “distraction,” Tebow’s guy has responded. Along with a rambling blog post titled “The Sabotage…