The Detroit Pistons signed forward Cartier Martin and center Aaron Gray on Monday.
Martin played in a career-high 59 games last season with Atlanta and Chicago, averaging 5.6 points. The 6-foot-7, 220-pound forward has averaged 5.4 points in 220 career games for Atlanta, Chicago, Washington, Golden State and Charlotte.
Gray split time between Toronto and Sacramento during the 2013-14 season, appearing in 37 games and averaging 1.8 points. The 7-foot, 270-pound center holds career averages of 3.4 points and 3.7 rebounds in 318 career games with Chicago, New Orleans, Toronto and Sacramento.