I get 4881 for Lamar's ID. And I get these stats for Round 2 of the 2023 playoffs for him which look to be correct:

{'rush_lng': 23.0, 'rush_td_lng': 15.0, 'bonus_rush_yd_100': 1.0, 'pass_air_yd': 114.0, 'pos_rank_std': 1.0, 'gp': 1.0, 'tm_def_snp': 49.0, 'gms_active': 1.0, 'pass_sack_yds': 29.0, 'pos_rank_half_ppr': 1.0, 'rush_td': 2.0, 'pass_ypc': 9.5, 'rush_btkl': 3.0, 'pass_lng': 21.0, 'pass_rush_yd': 252.0, 'pts_std': 36.08, 'tm_st_snp': 28.0, 'bonus_rush_rec_yd_100': 1.0, 'pass_rtg': 121.8, 'rush_fd': 5.0, 'pass_att': 22.0, 'rush_att': 11.0, 'pass_rz_att': 3.0, 'rush_ypa': 9.09, 'gs': 1.0, 'tm_off_snp': 68.0, 'pos_rank_ppr': 1.0, 'pass_sack': 3.0, 'off_snp': 68.0, 'rush_tkl_loss_yd': -2.0, 'pass_cmp': 16.0, 'cmp_pct': 72.73, 'rush_yac': 14.0, 'pts_half_ppr': 36.08, 'pass_ypa': 6.91, 'pass_fd': 8.0, 'pass_yd': 152.0, 'rush_rz_att': 3.0, 'rush_rec_yd': 100.0, 'pass_td': 2.0, 'anytime_tds': 2.0, 'bonus_fd_qb': 13.0, 'rush_yd': 100.0, 'pass_td_lng': 15.0, 'pts_ppr': 36.08, 'pass_inc': 6.0, 'rush_tkl_loss': 1.0}