On August 13 , the Cardinals called on Luke Weaver to pitch in place of an injured Michael Wacha .
Luke Weaver pitched four innings allowing two runs , throwing a lot of pitches but not providing enough of a look into what the Cardinals could expect of Luke Weaver .
On August 13 , the Cardinals called on Luke Weaver to pitch in place of an injured Michael Wacha , and he pitched four innings allowing two runs , throwing a lot of pitches but not providing enough of a look into what the Cardinals could expect of him .