DUNEDIN, Fla. — Julian Merryweather couldn’t even tell you how many setbacks he experienced while rehabbing a strained left oblique last season. Two, maybe three? “At least. Multiple setbacks, doctor visits. I don’t know how many MRIs. I went through all kinds of stuff,” the Toronto Blue Jays reliever says. “Same old story, right? it’s been the biggest thing this off-season. I’m not just going to keep doing the same thing. If I’m getting the same results, I need to do something different to change those results. Because I’m sick of being hurt. I’m sick of being injured. I definitely took that by the by the reins this off-season and made some significant, strategic changes.” Stop. Just stop. Don’t think what you’re thinking. No athlete wants to be injured. No ballplayer dreams of dedicating their entire life — sacrificing summers, sleep, social lives — to reaching the sport’s highest level only for their body to betray them. No pitcher wants to be the guy at spring training talking...