A photograph of San Francisco 49ers great Dwight Clark is placed near the entrance of Grace Cathedral in San Francisco on Wednesday, Aug. 1, 2018. A private memorial service was held for Clark, where many of his former teammates, family and local leaders showed up to pay their respects. (Randy Vazquez/ Bay Area News Group)

NFL Hall of Fame member Ronnie Lott, center, was one of many former teammates of San Francisco 49ers’ great Dwight Clark who attended a private memorial service for Clark at Grace Cathedral in San Francisco on Wednesday, Aug. 1, 2018. At right is former head coach Steve Mariucci. (Randy Vazquez/ Bay Area News Group)

Joe Montana tells a story about former San Francisco 49ers teammate Dwight Clark at Grace Cathedral in San Francisco on Wednesday, Aug. 1, 2018. A private memorial service was held for the Clark where his family, former teammates and local leaders payed their respects. (Randy Vazquez/ Bay Area News Group)

Democratic Leader Nancy Pelosi, center, and husband Paul, left, where a few of the local leaders who attended a private memorial service for San Francisco 49ers great Dwight Clark at Grace Cathedral in San Francisco on Wednesday, Aug. 1, 2018. (Randy Vazquez/ Bay Area News Group)

NFL commissioner Roger Goodell, left, and Dr. Harry Edwards, right talk after a private memorial service for San Francisco 49ers great Dwight Clark at Grace Cathedral in San Francisco on Wednesday, Aug. 1, 2018. (Randy Vazquez/ Bay Area News Group)

San Francisco 49ers CEO Jed York, left, and former NFL player Bill Romanowski, center, smile after a private memorial service for 49ers great Dwight Clark at Grace Cathedral in San Francisco on Wednesday, Aug. 1, 2018. (Randy Vazquez/ Bay Area News Group)

Terrell Owens smiles while talking to some people after a private memorial service for San Francisco 49ers great Dwight Clark at Grace Cathedral in San Francisco on Wednesday, Aug. 1, 2018. (Randy Vazquez/ Bay Area News Group)

Programs with images of San Francisco 49ers great Dwight Clark are placed on a table at Grace Cathedral in San Francisco on Wednesday, Aug. 1, 2018. A private memorial service was held for Clark where his family, former teammates and local leaders showed up to pay their respects. (Randy Vazquez/ Bay Area News Group)

Kelly Radzikowski, left, the wife of San Francisco 49ers great Dwight Clark exits Grace Cathedral in San Francisco on Wednesday, Aug. 1, 2018. A private memorial service was held for Clark which was attended by his family, former teammates and some local leaders. (Randy Vazquez/ Bay Area News Group)

Former NFL players Steve Young, right, and Terrell Owens, left, talk after a private memorial service for San Francisco 49ers great Dwight Clark at Grace Cathedral in San Francisco on Wednesday, Aug. 1, 2018. (Randy Vazquez/ Bay Area News Group)

ESPN sportscaster Chris Berman attends private memorial service for San Francisco 49ers great Dwight Clark at Grace Cathedral in San Francisco on Wednesday, Aug. 1, 2018. (Randy Vazquez/ Bay Area News Group)

Former NFL running back Roger Craig smiles while talking to the media before a private memorial service for San Francisco 49ers great Dwight Clark at Grace Cathedral in San Francisco on Wednesday, Aug. 1, 2018. (Randy Vazquez/ Bay Area News Group)

Joe Montana tells a story about former San Francisco 49ers teammate Dwight Clark at Grace Cathedral in San Francisco on Wednesday, Aug. 1, 2018. A private memorial service was held for the Clark where his family, former teammates and local leaders payed their respects. (Randy Vazquez/ Bay Area News Group)

A photograph of San Francisco 49ers great Dwight Clark is placed near the entrance of Grace Cathedral in San Francisco on Wednesday, Aug. 1, 2018. A private memorial service was held for Clark, where many of his former teammates, family and local leaders showed up to pay their respects. (Randy Vazquez/ Bay Area News Group)

Family, local leaders and some former NFL players attend a private memorial service for San Francisco 49ers great Dwight Clark at Grace Cathedral in San Francisco on Wednesday, Aug. 1, 2018. Former 49ers owner Eddie DeBartolo, center, is joined by former players, Joe Montana, to DeBartolo’s right, and to his left, Jerry Rice, Roger Craig and Dwight Hicks, among others, during the service. (Randy Vazquez/ Bay Area News Group)

NFL Hall of Fame member Ronnie Lott, center, was one of many former teammates of San Francisco 49ers’ great Dwight Clark who attended a private memorial service for Clark at Grace Cathedral in San Francisco on Wednesday, Aug. 1, 2018. At right is former head coach Steve Mariucci. (Randy Vazquez/ Bay Area News Group)

Democratic Leader Nancy Pelosi, center, and husband Paul, left, where a few of the local leaders who attended a private memorial service for San Francisco 49ers great Dwight Clark at Grace Cathedral in San Francisco on Wednesday, Aug. 1, 2018. (Randy Vazquez/ Bay Area News Group)

NFL commissioner Roger Goodell, left, and Dr. Harry Edwards, right talk after a private memorial service for San Francisco 49ers great Dwight Clark at Grace Cathedral in San Francisco on Wednesday, Aug. 1, 2018. (Randy Vazquez/ Bay Area News Group)

San Francisco 49ers CEO Jed York, left, and former NFL player Bill Romanowski, center, smile after a private memorial service for 49ers great Dwight Clark at Grace Cathedral in San Francisco on Wednesday, Aug. 1, 2018. (Randy Vazquez/ Bay Area News Group)

Programs with images of San Francisco 49ers great Dwight Clark are placed on a table at Grace Cathedral in San Francisco on Wednesday, Aug. 1, 2018. A private memorial service was held for Clark where his family, former teammates and local leaders showed up to pay their respects. (Randy Vazquez/ Bay Area News Group)

Terrell Owens smiles while talking to some people after a private memorial service for San Francisco 49ers great Dwight Clark at Grace Cathedral in San Francisco on Wednesday, Aug. 1, 2018. (Randy Vazquez/ Bay Area News Group)

Kelly Radzikowski, left, the wife of San Francisco 49ers great Dwight Clark exits Grace Cathedral in San Francisco on Wednesday, Aug. 1, 2018. A private memorial service was held for Clark which was attended by his family, former teammates and some local leaders. (Randy Vazquez/ Bay Area News Group)

Former NFL players Steve Young, right, and Terrell Owens, left, talk after a private memorial service for San Francisco 49ers great Dwight Clark at Grace Cathedral in San Francisco on Wednesday, Aug. 1, 2018. (Randy Vazquez/ Bay Area News Group)

Joe Montana tells a story about former San Francisco 49ers teammate Dwight Clark at Grace Cathedral in San Francisco on Wednesday, Aug. 1, 2018. A private memorial service was held for the Clark where his family, former teammates and local leaders payed their respects. (Randy Vazquez/ Bay Area News Group)

Joe Montana tells a story about former San Francisco 49ers teammate Dwight Clark at Grace Cathedral in San Francisco on Wednesday, Aug. 1, 2018. A private memorial service was held for the Clark where his family, former teammates and local leaders payed their respects. (Randy Vazquez/ Bay Area News Group)

Former NFL running back Roger Craig smiles while talking to the media before a private memorial service for San Francisco 49ers great Dwight Clark at Grace Cathedral in San Francisco on Wednesday, Aug. 1, 2018. (Randy Vazquez/ Bay Area News Group)