| 138 || September 3 || Phillies || 8–4 || Mujica (9–5) || Bastardo (6–1) || || 25,333 || 61–77 |- align="center" bgcolor="bbffbb" | 139 || September 4 || Phillies || 5–4 (14) || Hensley (3–6) || Herndon (1–3) || || 21,234 || 62–77 |- align="center" bgcolor="bbffbb" | 140 || September 5 || Mets || 9–3 || Vázquez (9–11) || Capuano (10–12) || || 21,112 || 63–77 |- align="center" bgcolor="ffbbbb" | 141 || September 6 || Mets || 4–7 (12) || Igarashi (4–1) || Ceda (0–1) || Stinson (1) || 22,318 || 63–78 |- align="center" bgcolor="ffbbbb" | 142 || September 7 || Mets || 0–1 || Dickey (8–11) || Hand (1–6) || Acosta (1) || 21,303 || 63–79 |- align="center" bgcolor="bbffbb" | 143 || September 9 || @ Pirates || 13–4 || Nolasco (10–10) || Ohlendorf (0–2) || || 24,527 || 64–79 |- align="center" bgcolor="bbffbb" | 144 || September 10 || @ Pirates || 3–0 || Sánchez (8–7) || Locke (0–1) || || 34,063 || 65–79 |- align="center" bgcolor="bbffbb" | 145 || September 11 || @ Pirates || 4–1 || Vázquez (10–11) || McDonald (9–8) || Núñez (34) || 19,071 || 66–79 |- align="center" bgcolor="bbffbb" | 146 || September 12 || @ Braves || 5–4 (12) || Hensley (4–6) || Varvaro (0–2) || Núñez (35) || 17,216 || 67–79 |- align="center" bgcolor="ffbbbb" | 147 || September 13 || @ Braves || 1–7 || Moylan (2–1) || Hand (1–7) || || 22,707 || 67–80 |- align="center" bgcolor="ffbbbb" | 148 || September 14 || @ Braves || 1–4 || O'Flaherty (2–4) || Nolasco (10–11) || Kimbrel (44) || 22,245 || 67–81 |- align="center" bgcolor="ffbbbb" | 149 || September 15 || @ Phillies || 1–3 || Kendrick (8–6) || Sánchez (8–8) || Madson (31) || 44,216 || 67–82 |- align="center" bgcolor="ffbbbb" | 150 || September 15 || @ Phillies || 1–2 (10) || Schwimer (1–0) || Badenhop (2–2) || || 44,950 || 67–83 |- align="center" bgcolor="bbffbb" | 151 || September 16 || @ Nationals || 3–0 || Vázquez (11–11) || Lannan (9–13) || || 22,932 || 68–83 |- align="center" bgcolor="bbffbb" | 152 || September 17 || @ Nationals || 4–1 (13) || Hensley (5–6) || Balester (1–4) || Núñez (36) || 33,247 || 69–83 |- align="center" bgcolor="ffbbbb" | 153 || September 18 || @ Nationals || 3–4 || Wang (3–3) || Hand (1–8) || Storen (38) || 26,581 || 69–84 |- align="center" bgcolor="bbffbb"