Tony Parker’s three-day layoff between Games 2 and 3 of the Western Conference finals will include a precautionary MRI on Thursday to track the progress of his bruised left calf. Parker was initially injured 12 days ago in Game 3 of the conference semifinal series against Golden State, resulting in what he described as “by far” the biggest bruise he’s ever had. “The calf is doing better,” he said. “Doing the MRI…just to make sure. It definitely limited me in the limit me in the last (three) games against Golden State and those two games (against Memphis). “But slowly and surely I’m turning the corner. Those three days arrive at a perfect time for me, so I’m definitely going to use them wisely. I’ll be ready to go on Saturday.” Parker is averaging 18 points in five games since the injury, alternating two strong shooting performances (9 for 16 and 9 for 14) around three poor ones (6 for 17, 3 for 16, 6 for 20). He offset his errant stroke during Tuesday’s overtime victory in Game 2 with a career-playoff best 18 assists. Fatigue was a factor, however, as he wore down near the end of his team-high 42 minutes. He is averaging 36.3 minutes per game in the postseason, 3.4 more than the regular season.