The NBA has suspended Memphis Grizzlies guard Matt Barnes two games for a physical altercation with New York Knicks coach Derek Fisher at the home of Barnes' estranged wife in Southern California in October, league sources told Yahoo Sports. Fisher had flown to Los Angeles on an off day of Knicks training camp and was visiting with Barnes' estranged wife, Gloria Govan, with Barnes' children at the house. Barnes, 35, confronted Fisher and a physical altercation ensued.