| J.J. Barea Rankings 2018-2019 | Stats Glossary  |
| Games with .397 or more Field-goals Percentage | Dallas Mavericks Record : 15 - 5 | J.J. Barea |
| No | Date | Game | Res | Score | Field-goals Percentage |
| 1 | Jan 11 | at Minnesota | W | 119-115 | .500 |
| 2 | Jan 7 | vs L.A.Lakers | L | 97-107 | .417 |
| 3 | Jan 2 | at Charlotte | W | 122-84 | .400 |
| 4 | Dec 26 | vs New_Orleans | W | 122-119 | .538 |
| 5 | Dec 22 | at Golden_State | L | 116-120 | .400 |
| 6 | Dec 20 | at L.A.Clippers | L | 121-125 | .533 |
| 7 | Dec 12 | vs Atlanta | W | 114-107 | .636 |
| 8 | Dec 8 | vs Houston | W | 107-104 | .500 |
| 9 | Dec 5 | at New_Orleans | L | 106-132 | .600 |
| 10 | Dec 2 | vs L.A.Clippers | W | 114-110 | .500 |
| 11 | Nov 28 | at Houston | W | 128-108 | .556 |
| 12 | Nov 24 | vs Boston | W | 113-104 | .563 |
| 13 | Nov 21 | vs Brooklyn | W | 119-113 | .571 |
| 14 | Nov 17 | vs Golden_State | W | 112-109 | .667 |
| 15 | Nov 14 | vs Utah | W | 118-68 | .625 |
| 16 | Nov 12 | at Chicago | W | 103-98 | .500 |
| 17 | Nov 10 | vs Oklahoma_City | W | 111-96 | .571 |
| 18 | Nov 6 | vs Washington | W | 119-100 | .429 |
| 19 | Oct 31 | at L.A.Lakers | L | 113-114 | .467 |
| 20 | Oct 20 | vs Minnesota | W | 140-136 | .400 |
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