Without swinging a bat or taking the field, Astros rookie outfielder Robbie Grossman looked and sounded more confident Saturday following his team’s much-needed 8-6 victory over the Blue Jays at Toronto’s Rogers Centre. Grossman appeared at the stadium just before the first pitch and wasn’t used. But postgame, Grossman mentioned making a couple key adjustments during his second stint this season with Class AAA Oklahoma City. Everything from a sharper mindset to new facial hair highlighted the changes the former Cy-Fair High School standout plans to make during his second run with the Astros. “That was my goal when I went down was to get back up here at some [...]