Riley Martin highlights

Edmundo Sosa strikes out after ABS challenge

Riley Martin K's Carson Benge after ABS

Riley Martin makes his MLB debut in the 8th

Riley Martin pitches a scoreless inning of relief vs. the Rays for his Major League debut

Riley Martin K's Austin Hays after ABS challenge

Riley Martin K's up Austin Hays after a successful ABS challenge by the Cubs in the bottom of the 1st inning

Riley Martin caps his outing with a strikeout

Cubs prospect Riley Martin caps three scoreless innings with a strikeout for Triple-A Iowa

Riley Martin's fourth strikeout

Cubs prospect Riley Martin records his fourth strikeout for Triple-A Iowa

Four Smokies pitchers whiff 12

Cubs prospects DJ Herz (No. 13), Riley Martin, Blake Whitney and Bailey Horn combine for 12 K's for Tennessee in the SL Finals