While in college, he played power forward for the De La Salle Green Archers from 1992 to 1994 and led as team captain from 1993 to 1994.
Sauler became assistant to Jong Uichico for the De La Salle Green Archers in May 1998 but 6 weeks before the start of the UAAP season, Franz Pumaren took over as head coach.
[7] In October 1998, he moved on to coach the De La Salle collegiate women's basketball team, the Lady Archers.
[9] Concurrently, Sauler was head coach of the De La Salle – Zobel Junior Archers which would finish in the top 3 for those seasons.
In his rookie season at the helm of the Green Archers, Sauler led the team to sweep the second round eliminations and make it to the finals.
[11] He subsequently led the team to win the championship against the University of Santo Tomas Growling Tigers in a final deciding game in overtime.
[12] After UAAP season 76, Sauler and deputy coaches Caidic and Jun Limpot observed the training camp of the San Antonio Spurs and practices of the University of Texas Longhorns.
[15] More recently, the Green Archers won the 2014 FilOil Flying V Hanes Premier Cup preseason tournament by defeating NCAA champions, the San Beda Red Lions.
[26] Sauler's sister-in-law, Aissa, is a teacher in De La Salle Zobel and her husband Adonis Santa Maria is a former professional basketball player who also suited up for the DLSU Green Archers.