Ask front offices about the price of a volatile elbow and someone will eventually bring up Teddy McGraw. McGraw is the cautionary tale and the folk hero of the same story, a Wake Forest righty who tore his UCL as a high school senior, rebuilt it, then blew it out a second time as a junior in Winston-Salem and lost that season entirely. Two Tommy Johns before he ever signed a professional contract. A healthy McGraw was the second-best arm in the 2023 class. Yes, in the year of Paul Skenes. The stuff was that huge. A 95-99 mph sinker with bat-breaking shape, a four-seamer up to 100 that exploded at the top of the zone thanks to his low slot, and an upper-80s slider that moved like few pitches Carolina scouts had ever seen. He'd toss in an upper-80s changeup for good measure. First-round talent, perhaps a top …