St. Louis Cardinals starting pitcher Adam Wainwright (groin) is set to throw to live hitters on Friday, getting one step closer to making a return, according to Lynn Worthy of the St. Louis Post-Dispatch. The veteran has been on the shelf since the season started after straining his groin in the weight room. Wainwright will still need to complete a rehab assignment but is on track to join the club this month. Even at 41 years old, he still knows how to pitch and produced a 3.71 ERA with 143 ...