Johnson (hip) lasted 4.2 innings and didn't factor into the decision in his start Sunday in the Red Sox's 5-2 win over the Blue Jays. He allowed two runs on two hits and four walks and struck out five.
Rodriguez was diagnosed with ligament damage in his right ankle after being evaluated by team doctors Sunday, Ryan Hannable of WEEI.com reports. He won't require surgery to address the injury but will be confined to walking boot for two weeks before being re-evaluated.
Velazquez will be available out of the bullpen Sunday against the Blue Jays with Brian Johnson (hip) set to be activated from the 10-day disabled list to start the Red Sox's final game before the All-Star break.