By Marcus ChhanFollow @@MarcusChhan
The Slingers had been looking to fill the gap left by key import Jeffers, who faces a lengthy spell on the ASEAN Basketball League (ABL) sidelines following a persistent foot injury.
The club's new signing Singleton provides the Singapore outfit with size and defensive qualities.
The American played for Florida Southern College in 2009 and has since carved out a career as a prolific shot blocker among other things.
After an injury hampered Singleton's progress in the New York Knicks summer league team, the centre headed to the BJ league in Japan where he finished the 2009-2010 seasons with well over a 120 blocks for the Oita Heatdevils.
In 2010, Singleton went to Jordan to play for the club ASU and averaged 17 points, 15 rebounds, and 4 blocks.
More recently, he returned to Japan to help lead the Sendai 89ers to the playoffs including a notable performance (25 points,12 rebounds, 6 blocks) against reigning champions Hamamatsu Phoenix in February, 2012.
His latest basketball adventure also saw him suit-up for Sitra in the Bahrain Premier League.
The 25-year-old is set to train with the Slingers as they prepare for a crunch ABL clash against Causeway rivals the Westports Malaysia Dragons on Sunday.