| J.J. Barea Rankings 2018-2019 | Stats Glossary  |
| Games with .492 or more Free-throws Percentage | Dallas Mavericks Record : 13 - 12 | J.J. Barea |
| No | Date | Game | Res | Score | Free-throws Percentage |
| 1 | Jan 11 | at Minnesota | W | 119-115 | 1.00 |
| 2 | Jan 9 | vs Phoenix | W | 104-94 | .500 |
| 3 | Jan 7 | vs L.A.Lakers | L | 97-107 | .500 |
| 4 | Jan 4 | at Boston | L | 93-114 | .500 |
| 5 | Dec 31 | at Oklahoma_City | L | 102-122 | .667 |
| 6 | Dec 23 | at Portland | L | 118-121 | .714 |
| 7 | Dec 22 | at Golden_State | L | 116-120 | 1.00 |
| 8 | Dec 20 | at L.A.Clippers | L | 121-125 | 1.00 |
| 9 | Dec 18 | at Denver | L | 118-126 | 1.00 |
| 10 | Dec 12 | vs Atlanta | W | 114-107 | 1.00 |
| 11 | Dec 4 | vs Portland | W | 111-102 | .750 |
| 12 | Dec 2 | vs L.A.Clippers | W | 114-110 | 1.00 |
| 13 | Nov 30 | at L.A.Lakers | L | 103-114 | .500 |
| 14 | Nov 28 | at Houston | W | 128-108 | 1.00 |
| 15 | Nov 21 | vs Brooklyn | W | 119-113 | .500 |
| 16 | Nov 14 | vs Utah | W | 118-68 | .571 |
| 17 | Nov 12 | at Chicago | W | 103-98 | .500 |
| 18 | Nov 10 | vs Oklahoma_City | W | 111-96 | .667 |
| 19 | Nov 7 | at Utah | L | 102-117 | 1.00 |
| 20 | Nov 6 | vs Washington | W | 119-100 | 1.00 |
| 21 | Oct 31 | at L.A.Lakers | L | 113-114 | .500 |
| 22 | Oct 26 | at Toronto | L | 107-116 | .500 |
| 23 | Oct 22 | vs Chicago | W | 115-109 | .667 |
| 24 | Oct 20 | vs Minnesota | W | 140-136 | 1.00 |
| 25 | Oct 17 | at Phoenix | L | 100-121 | .667 |
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