He may have pulled his (right) quad. We'll have to wait and...
He may have pulled his (right) quad. We'll have to wait and see. (But) he pulled out of the hurdles and triple jump because he hurt it in the long jump.
He may have pulled his (right) quad. We'll have to wait and see. (But) he pulled out of the hurdles and triple jump because he hurt it in the long jump.