Griggs said his heart came to his mouth when he saw Laxman leap up in the air and make a bid for the catch .
Griggs 's previous best in first class cricket was 76 against Northern Districts made last year .
Griggs , whose previous best in first class cricket was 76 against Northern Districts made last year , said his heart came to his mouth when he saw Laxman leap up in the air and make a bid for the catch .