National Basketball Association

GOLDEN STATE WARRIORS — Signed C Kavion Pippen.

National Football LeagueCINCINNATI BENGALS — Waived CB Greg Mabin. Activated G Alex Redmond from the exempt list.CLEVELAND BROWNS — Activated WR Antonio Callaway to the 53-man roster.NEW ENGLAND PATRIOTS — Released TE Ben Watson.OAKLAND RAIDERS — Added CB Nevin Lawson to the active roster. Waived G Lester Cotton Sr.TAMPA BAY BUCCANEERS — Signed LB Demone Harris to the practice squad. Released WR Ishmael Hyman from the practice squad.TENNESSEE TITANS — Released K Cairo Santos and OL David Quessenberry.WASHINGTON REDSKINS — Fired coach Jay Gruden. Promoted offensive line coach Bill Callahan to interim head coach. Released LB Cassanova McKinzy. Signed TE Hale Hentges.

National Hockey LeagueANAHEIM DUCKS — Recalled F Max Comtois from San Diego (AHL).DETROIT RED WINGS — Traded LW David Pope to Vancouver for D Alex Biega. Recalled LW Ryan Kuffner, RW Evgeny Svechnikov, D Alex Biega and D Oliwer Kaski from Grand Rapids (AHL). Placed LW Andreas Athanasiou, C Frans Nielsen, D Trevor Daley and D Jonathan Ericsson on IR. Placed F Johan Franzen and F Henrik Zetterberg on long-term IR.NEW YORK RANGERS — Acquired D Nick Ebert and a fourth-round pick in the 2021 NHL entry draft from the Ottawa Senators for F Vladislav Namestnikov.

Major League SoccerORLANDO CITY — Fired coach James O'Connor.PORTLAND TIMBERS — Announced F Brian Fernández has voluntarily entered the MLS' Substance Abuse and Behavioral Health Program.United Soccer LeagueUSL — Announced today that AFC Ann Arbor will become the newest member of USL League Two in the 2020 season.

KANSAS — Fired offensive coordinator Les Koenning. Promoted offensive consultant Brent Dearmon to offensive coordinator.TEXAS RIO GRANDE VALLEY — Named Seth Jones assistant athletic director for corporate sponsorships.