CLEVELAND — The best run differential in the AL Central belongs to the Chicago White Sox. The worst record in baseball belongs to the Detroit Tigers. Meanwhile, the Cleveland Guardians, in this bizarro world division, remain on top. Can they keep it that way?Tanner Bibee is 0-7, if you’re into that kind of thingThe calendar has flipped to June, and Tanner Bibee has zero wins. Does that matter? Should we care one iota about pitcher wins in the year of our lord 2026?“Wins and losses don’t matter for starting pitchers,” declared catcher Austin Hedges. “It’s not a stat that means anything. I know he’s not worried about it. We’re definitely not worried about it.”There are quintillions of more informative ways to measure a pitcher’s effectiveness than simply glancing at their wins and losses. Still, Bibee’s streak is bewildering and, more importantly, the context behind it can tell us some things.He’s the first pitcher in team history — which dates to 1901 — to go winless in his first 13 starts of a season. He’s the 12th Opening Day starter since 1901, according to Sportradar, to make at least 10 starts before June 1 and not record a win. He’s the first to make 13 winless starts before June 1.“Pitching, you’re playing a completely different sport than the other (eight) people on the field,” Bibee said. “It’s just figuring out the self-evaluation of it. (Jacob) deGrom won the Cy Young (in 2018) going (10-9). It doesn’t matter. “DeGrom also logged a 1.70 ERA that year.Bibee has submitted a few clunkers this season, but he has received a pittance of run support — the second-lowest rate in the league — which has as much to do with the Guardians’ 2-11 record on his start days as his own performance. He allowed three runs over six innings against the Boston Red Sox on Sunday. It was the first time in his 13 starts that he exited with the lead. A few minutes later, the bullpen surrendered six runs.April 17 vs. Baltimore Orioles: six innings, zero runs, 6-4 loss