Hoffman best finish was T2 at the Travelers Championship, one stroke behind Marc Leishman.
He finished in a tie for 11th at the Travelers Championship the following week.
Their plan is to spend next week together in Cromwell, Conn., at the Travelers Championship, where Mickelson is a two-time champion.
The following week he was invited to play in the Travelers Championship, where he made the cut and shot a three-under-par 277 to finish tied for 58th.
Peterson was a sponsor's exemption at the Travelers Championship the following week on the back of his performance at the U.S. Open.
He Monday-qualified for the Sony Open in Hawaii and the Travelers Championship, where he finished 9th.
He finished in a tie for 29th at the Travelers Championship the week after winning the U.S. Open.
Perry won his second event of 2009 at the Travelers Championship in June, coming from one stroke behind Paul Goydos.
Jacobson won his first PGA Tour title in 2011 at the Travelers Championship.
Stanley turned professional after the 2009 U.S. Open and made his pro debut a week later at the Travelers Championship.