Outfielder Justin Maxwell settled in at the plate during the Astros’ series against the Cubs. He was 4-for-11 with a double and a walk. Maxwell, 29, is 5-for-20 since being activated from the disabled list last Tuesday, but the Astros’ uneven play in the series left the fifth-year veteran saying his club needed to “regroup” before a challenging 17-game stretch. “We need to just compete,” said Maxwell, who’s hitting .237 with a .680 on-base plus slugging percentage in 107 at-bats. Odds and ends The Astros lead MLB in errors (60) and are ranked last in defensive efficiency (.674). The club’s tied for 26th out of 30 teams in fielding percentage [...]