After the presentation of another 61-car capacity grid for next month’s Rolex 24 At Daytona, IMSA President John Doonan noted how global anticipation for the 64th edition of North America’s crown jewel of sports car racing continues to ramp up.

Top Mercedes-AMG customer team GetSpeed will return for its second entry into the Rolex 24 At Daytona in January, in collaboration with Bartone Bros. Racing and driver Anthony Bartone, who’ll make his second Daytona start in the No. 69 Mercedes-AMG GT3 EVO.Bartone finished fifth in GTD PRO last year at...