There were no guarantees when Haywood Highsmith reported for summer-league duty with the Miami Heat this past week in San Francisco. Now, there is an investment. Without a move by the team by Friday’s deadline, Highsmith received a $50,000 guarantee toward his $1.8 million 2022-23 salary. Added by the Heat amid the team’s COVID breakout in December and then brought back for the balance of the season in February, Highsmith is with the team’s roster for summer leagues this month in San Francisco and Las Vegas. His next guarantee date is opening night of the regular season, when an additional $400,000 of his salary would be guaranteed. Having previously spent time with the Philadelphia 76ers and their G League affiliate, Highsmith, at 6 feet 6, is being tested as an undersized power forward. For now, he is letting the financial aspects take care of themselves, as he works toward a roster spot while also mentoring the younger players on the team’s summer roster. “To be honest, I don’t really circle those days,” said the 25-year-old, who went undrafted out of Division II Wheeling (W.