"Me being a rookie coming in, every day he talks to me like I have been playing with him for 10 years," Buchanan said.
Rollins led off the fifth inning with a single off Cubs righthander Edwin Jackson for the milestone hit. He eventually scored on Domonic Brown's towering three-run homer to right field, increasing the Phillies' lead to 7-3.
On a day when the ball was carrying, Chase Utley drilled a Jackson fastball for a first-inning solo home run, his fifth of the season.
Mike Olt tied it with a line-drive homer to left field in the second. That was Olt's 10th home run, but only his 22d hit of the season.
Marlon Byrd started the Phillies' three-run second inning with a triple. He scored on Carlos Ruiz's one-out single. Reid Brignac then singled, putting runners at the corners.
Both runners scored on Ben Revere's single and an error by centerfielder Junior Lake.
Justin Ruggiano cut the deficit to 4-2 with a home run to left field in the third, and Luis Valbuena made it 4-3 with a solo shot to right field in the fourth.
Then the Phillies broke it open in the fifth, beginning with Rollins' milestone hit.
Buchanan, who had allowed four home runs in his first four starts, survived the trio that he surrendered.
"Luckily they were solo shots, and I tried to give us a chance to win and we did, so that is the ultimate goal," he said.
Phillies lefthander Mario Hollands pitched one hitless inning and hasn't allowed a run in 112/3 innings. . . . Justin De Fratus also pitched a hitless inning and has a career-best 11-inning scoreless streak. . . . Jonathan Papelbon earned his 15th consecutive save with a hitless ninth. . . . Third baseman Cody Asche hit two home runs Friday in his first rehabilitation start for Lakewood since being placed on the disabled list retroactive to May 23 with a hamstring injury. After the weekend, he is expected to continue his rehab at Lehigh Valley.
Phillies Notes: Celebrating Perfection
Jim Bunning will throw out the first pitch Sunday at Citizens Bank Park as the Phillies celebrate his Father's Day perfect game from 50 years ago. In six seasons with the Phils, the Hall of Famer went 89-73 with a 2.93 ERA, fourth in franchise history for pitchers with at least 1,000 innings pitched. He is fifth on the Phillies' all-time list for shutouts (23) and seventh for strikeouts (1,197). Bunning was at the ballpark Saturday and took questions from fans. Here are some of the highlights.
Favorite road park to pitch in? Candlestick Park
How often are you asked about your perfect game on a daily basis? I get about 10 pieces of fan mail a day.
What did you feel like after throwing a perfect game? It didn't really set in until a couple of days after.
Bigger thrill, perfect game or Hall of Fame election? Hall of Fame election.
What sparked your interest in baseball? The second grade had to play the third grade. They needed a pitcher. So I pitched.
What was your best pitch? Fastball and slider. About equal.
Who was the toughest batter you pitched against? AL, Ted Williams. NL, Billy Williams. I had trouble with Williams.
If you could have played another position besides pitcher, what would it have been? Third base and left field.