Tommy John surgery has become so ubiquitous and the procedure so advanced, it is largely seen as little more than a nuisance for those who don’t have to endure the months of inactivity and then grueling rehabilitation.From the outside, it seems the procedure essentially requires a pitcher sit for a year and then return to eventually throw as well as ever — and in many cases better than he did.Jacob deGrom, Stephen Strasburg, Adam Wainwright and David Wells are among several well-known pitchers to have thrived after the surgery. Just since March 2018, 36 pitchers have had the surgery and pitche…
