A dramatic 12-9 win over the Stormers secured the Sharks' spot in the Super Rugby play-offs, where they will be joined by the Bulls.
South Africa hooker Malcolm Marx will make a short-term move to Japan after the Rugby World Cup before returning to the Lions.
The Lions are used to reaching the Super Rugby showpiece match but a 37-17 defeat to the Hurricanes has endangered their play-off hopes
Number eight Warren Whiteley hopes to play some part in the Currie Cup to prove his fitness ahead of the Rugby World Cup.
The Lions overcame South African rivals Stormers 41-22 in an exhilarating Super Rugby clash in Johannesburg.
Springboks playmaker Elton Jantjies will miss the Lions' Super Rugby meeting with the Stormers due to a "breach of team protocol".
The Blues have now suffered 10 consecutive losses to the Crusaders after Super Rugby's leaders edged a tense Christchurch encounter.
The Crusaders drew for the second time in three weeks in their match against the Stormers, while the Lions edged a 10-try battle.
The Lions' moved into a Super Rugby play-off berth with a narrow 29-28 success over the Waratahs in Johannesburg.
Sevu Reece and George Bridge scored twice as the Crusaders outclassed the Lions in Super Rugby on Friday.