Cubs starting pitcher Jake Arrieta, right, walks past manager David Ross after the first inning of a game against the Phillies on Tuesday at Wrigley Field. Arrieta allowed seven runs on six hits and two walks in 1⅔ innings in the Cubs’ 15-10 loss, their 11th straight. The Cubs on Wednesday placed Arrieta on the 10-day injured list with right hamstring tightness. (Chris Sweda / Chicago Tribune)