Kallis said they were impressed by his potential then and had an eye on him these auctions.
Defending champions Mumbai, on the other hand have a tough task to rediscover themselves after slumping to their fourth loss in five games.
The 31-year-old Spaniard on Sunday won a record-breaking 31st career Masters title after defeating Japan's Kei Nishikori 6-3, 6-2 in the final round of the Monte-Carlo Masters.
RCB are now fifth in the points table, while Delhi is at the bottom with a single win in five games.
England forward Dele Alli put Tottenham ahead after only 11 minutes, sliding home a finish from Christian Eriksen's cross.
Punjab opener Chris Gayle and Lokesh Rahul made short work of the chase with their whirlwind knocks. The D/L method also came in their favour by reducing the target.
Iyer and Pant then showed some resistance, sharing a 75-run partnership for the third wicket as Delhi recovered from a poor start.
The Mahendra Singh Dhoni-led Chennai side hammered Rajasthan by 64 runs on Friday at home before narrowly missing a win against Kings XI Punjab (KXIP).
KKR made no changes to the team that beat Rajasthan Royals in Jaipur while Punjab dropped out-of-form pacer Mohit Sharma for Ankit Rajpoot, a former KKR medium-fast bowler.
The trophy was recovered on Friday, Efe news reported citing the office of the prosecutor general of the Guanajuato.
Rajasthan was bowled out for 140 in 18.3 overs as they suffered second straight loss after winning the first two.
The World No.1 needed just one hour and seven minutes to wrap up his dominating victory over the fifth-seeded Austrian on Friday.
In a statement, the coach said he had decided to step down following careful consideration and discussions with the club.
One of the favourites in the 2018 World Cup, Brazil will debut on the field on June 17 against Switzerland, then faces Costa Rica on June 22 and Serbia on June 27th.
Both teams have struggled to get going this season with just one win apiece from the four games each have played so far.