In OTAs, 49ers want to see Pettis step up

Daily 49ers blog for NBC Bay Area website: The Niners have big hopes for WR Dante Pettis and want to see him step up in this week's start of OTAs.https://www.nbcbayarea.com/news/local/Niners-Have-Great-Expectations-for-Receiving-Corps-510162831.html