The worst start of Paul Skenes' career now looks like an aberration, a strange and distant memory buried beneath a pile of scoreless innings, swing-and-miss stuff, and the kind of deep-outing dominance that reminded everyone why he is generally considered the best pitcher on the planet. As the Pirates return home from a 3-3 West Coast road trip to open a three-game series Tuesday night against the Colorado Rockies, Skenes is doing what he did last season: making a strong run at the National League Cy Young Award. The Pirates arrive back in Pittsburgh with a 22-19 record, having split six games against the Diamondbacks and Giants. It was a respectable road trip, nothing more, nothing less. But maybe the most important development happened in the Sonoran desert, where Skenes took the mound at Chase Field and delivered the best start of his young season. Second-Best Start of Career? Eight innings. Two hits. Zero runs. Seven strikeouts.…