[In this series, we’ll take a look at the additions and subtractions at every position on the Dallas Cowboys roster. We’ll compare where the Cowboys were to where they currently sit and ask the ultimate question - did the Cowboys improve or not? In other words, do you feel better about the state of the roster going into the 2019 season?]
Cowboys offensive line
| LT Tyron Smith - 13 starts, Pro Bowl | LT Tyron Smith |
| LG Connor Williams - 10 starts as Rookie | LG Connor Williams |
| C Joe Looney - 16 starts | C Travis Frederick |
| RG Zack Martin - 14 starts, All-Pro, Pro Bowl | RG Zack Martin |
| RT La’el Collins - 16 starts | RT La’el Collins |
| SWT Cameron Fleming - 14 games, 3 starts | SWT Cameron Fleming - signed two-year deal |
| OL Xavier Su’a-Filo - 8 starts at OG | G/C Joe Looney |
| OL Adam Redmond - 10 games | OL Xavier Su’a-Filo |
| OL Parker Ehringer - IR | G/C Connor McGovern - Third-round pick from Penn State |
| T Mitch Hyatt - UDFA | |
| T Derrick Puni - UDFA | |
| T Brandon Knight- UDFA | |
| T Jake Campos -UDFA | |
| OL Larry Allen Jr. |