Abstract: An improved sweeper system for use with a grass mowing machine for use in the care of golf course greens in which the lawn mowing machine has at least one mower assembly, the sweeper system including a sweeper structural support affixed to and extending from the mower assembly, an elongated broom having a horizontal head portion and bristles downwardly extending therefrom, an elongated structural head member affixed to the broom head portion, a cylindrical vertical shaft extending upwardly from the structural head member, a bearing trunnion affixed to the structural support member adjacent the outer end the shaft being rotatably received in the bearing trunnion and a plurality of spacers received on the shaft above the trunnions so that the elevation of the brush is adjustable and elastomeric members extending from the sweeper system to the structural head member on either side of the structural support, the broom following behind the mower assembly to sweep the golf green as it is mowed.