Tyndall's recruiting expertise was on display again at LSU. While with the Tigers, he helped recruit three classes that were ranked in the Top 20 nationally. The 1998 class was listed as high as third, and the 2001 recruits were ranked eighth. Among his recruits at LSU, three went on to play in the NBA and five received All-SEC honors. Five of his Tigers players also went on to garner Academic All-SEC awards.
Tyndall also continued to show his commitment to academics at LSU. As the program's academic coordinator, he helped improve the team's GPA from 1.7 in 1996 to 2.65 in 2001.