GREENWOOD, S.C. -- Mike McClellan hit a walk-off home run in the bottom of the ninth inning to send No. 10 Columbus State over No. 13 USC Aiken 3-2 in the opening game of the NCAA Division II baseball southeast regional.
All three runs the Cougars scored were on solo home runs.
Brendan Collins got things started leading off in the in the bottom of the first. He homered down the left field line.
McClellan stretched the lead to 2-0 in the bottom of the second when he homered to right center.
"This was just a great postseason baseball game," CSU coach Greg Appleton said in a press release. "USC Aiken is a great team and we knew it was going to be a battle from the start. The three home runs we had bailed us out, because we left some runs on the bases earlier in the game."
Aiken scored single runs in the top of third and seventh innings to tie the game.
Rain caused a 68-minute delay at the end of the eighth inning.
McClellan led off the bottom of the ninth and worked a 2-0 count from reliever Taylor Peed before sending the winner over the left field wall.
Trey Watson (5-1) worked two hitless innings in relief and struck out three to pick up the win for the Cougars (37-15). CSU starter Caden Ferguson allowed two runs on six hits over seven innings.
Peed (6-2) gave up one run on two hits over 2 2-3 innings and took the loss for USC Aiken (36-16).
CSU will face the winner of the Mount Oliver-Georgia College game today at 7 p.m.