Tavai and the Jaguars agreed on a contract Thursday.
The Bills placed Flannigan-Fowles (undisclosed) on injured reserve Thursday.
Gardner-Johnson (calf) was a full participant in Thursday's training camp session, Alaina Getzenberg of ESPN.com reports.
Rodriguez had his most active practice of training camp thus far on Thursday, according to John Shipley of SI.com.
VanSumeren (knee) participated in Buffalo's training camp Wednesday, Matt Parrino of Syracuse.com reports.
The Jaguars placed Colon on the reserve/retired list Tuesday.
Jackson (knee) participated in Tuesday's training camp practice, Mike Maynard and Maddy Glab of the Bills' official site report.
Williams participated in team drills Tuesday for the first time since the start of training camp, Alaina Getzenberg of ESPN.com reports.
The Bills have been working Hoecht (Achilles) into full team drills since the start of training camp, Tim Graham of The Athletic reports.
Bishop (knee) has been participating in Bills training camp, Nick Wojton of Bills Wire reports.
