ST. PETERSBURG, Fla.— A challenging eight-game, 10-day road trip heading into the All-Star break continued to depress the Astros’ record. It also tested the struggling club’s chemistry more than at any other point this season. With some veterans anxiously eyeing the July 31 trade deadline and everything from the state of the rotation to in-game decisions and roster moves questioned by players, a heated clubhouse confrontation between promising righthander Jordan Lyles, 22, and former No. 2 starter Lucas Harrell, 28, highlighted the challenges the Astros face during the second half of the season. Harrell demoted The dispute occurred Tuesday in St. Louis. The Astros fell 9-5 to the Cardinals that [...]