At the end of the season RoPS won promotion to Veikkausliiga (Finnish Premier Division), and Mwaba was called by Kari Virtanen the most promising 18-year-old in Finland he has seen.
[2] During the loan spell, Mwaba scored Power Dynamos' first goal against Roan United, in a game that eventually ended 2-2.
[3] On 12 July 2009, during a game against FF Jaro, Jakobstad, Mwaba provided four assists for RoPS, with his side coming out 5-3 victors.
[4] On 6 August 2009, Mwaba received his first call up to the Zambia's national football team by Hervé Renard.
Zambia faced Ghana in London on 12 August, but Mwaba and seven other Zambian players did not get their visas in time due to a heavy workload in the embassy.