Scarlets kept their hope of defending title alive after they went on to trounce Cheetahs 43-8 in the quarter-final of the Pro 14 in Llanelli on Saturday.
A clinical performance from Leinster saw them progress to the final of the European Rugby Champions Cup with a 38-16 triumph over Scarlets at Lansdowne Road on Saturday.
Leigh Halfpenny contributed with 19 points as Scarlets completed a 29-17 win over La Rochelle at Parc y Scarlets to book a berth in the semi-final of the European Champions Cup.
An inexperienced Scarlets side gallantly went down fighting against the Sale Sharks during their 19-32 defeat at Parc y Scarlets stadium in Llanelli during the Anglo-Welsh Cup clash on Friday.
Scarlets' chances of making it to the quarter-final of the European Champions Cup has taken a big boost after they went on beat Bath Rugby 17-35 at Recreation Ground on Friday.
Scarlets will miss the services of Wales international Leigh Halfpenny for the crucial European Champions Cup encounter against Bath on Friday after the fullback failed a fitness test.
Bath director of rugby Todd Blackadder said his side will not "underestimate" Scarlets in the upcoming European Rugby Champions Cup clash between the two teams at The Recreation Ground on Friday.
Scarlets have successfully maintained their top position at top of Conference B following a 47-13 comfortable bonus-point victory over Dragons in the Welsh derby Pro 14 game in Llanelli.
Replacement Josh Macleod scored the decisive try in the added minutes as Scarlets completed a 12-9 victory over Ospreys in their Pro 14 encounter in Llanelli on Tuesday.
Scarlets have kept their hopes of making to the play-offs alive after defeating Benetton Treviso 12-31 in their European Champions Cup face-off at Stadio Comunale di Monigo on Saturday.
Scarlets registered their maiden win in the ongoing European Rugby Champions Cup as they overcame a spirited fightback from a 14-men Benetton Treviso at Parc y Scarlets on Saturday.
Ospreys have confirmed that Wales international Aled Davies will join the Pro 14 club from Scarlets ahead of the next season after signing a two-year contract.
Former Wales international Mike Phillips is set to come out of his retirement and will feature for Scarlets in the upcoming Pro 14 encounters against Cheetahs and Southern Kings.