Watanabe produced 16 points (6-13 FG, 4-9 3Pt), two blocks and one assist across 34 minutes in Japan's 97-77 loss to Germany in the Paris Olympics on Saturday.
Watanabe (calf) is in the starting lineup for Saturday's game against Germany, according to CNBC.
Watanabe is considered questionable for the 2024 Paris Olympics due to a calf injury, Kyodo News reports.
Watanabe agreed Wednesday to a contract with the Chiba Jets of the Japanese B.League, Donatas Urbonas of BasketNews.com reports.
Watanabe (personal) is not expected to pick up his $2.6 million player option this offseason, but rather head to the Japan professional basketball league, Keith Smith of Spotrac.com reports.
Watanabe (personal) is out for Sunday's game against the Nuggets.
Watanabe (personal) is out for Friday's game against the Lakers.
Watanabe (personal) has been ruled out for Wednesday's game against the Cavaliers.
Watanabe (personal) has been ruled out for Tuesday's matchup against the Spurs.
Watanabe (personal) will not play in Saturday's matchup with the 76ers.