Batter up: Things to know about NCAA baseball regionals

Vanderbilt pitcher Kumar Rocker throws to an Arkansas batter during the first inning of an NCAA college baseball game during the Southeastern Conference tournament Thursday, May 27, 2021, in Hoover, Ala. (AP Photo/Butch Dill)

Duke pitcher Marcus Johnson, center top, celebrates with catcher Michael Rothenberg after their win over North Carolina State in an NCAA college baseball game during the Atlantic Coast Conference championship game on Sunday, May 30, 2021, in Charlotte, N.C. (AP Photo/Chris Carlson)

Arkansas pitcher Kevin Kopps pitches against Tennessee in the ninth inning of an NCAA college baseball championship game during the Southeastern Conference tournament Sunday, May 30, 2021, in Hoover, Ala. (AP Photo/Butch Dill)