The CW has set novel streaming partnerships with ESPN and Roku, expanding its programming footprint in exchange for access to entertainment fare and live sports. Under the deals, the broadcast network will make its 800 hours of annual sports programming available on ESPN’s app and also put its entertainment titles on the Roku Channel the day after linear premiere. The free, ad-supported CW app, long a key strategic pillar for the broadcast network, will continue to offer next-day streams of entertainment titles as they simultaneously roll out across the Roku Channel. The announcements were made Wednesday as The CW got set to deliver its upfront presentation to advertisers. Nexstar Media Group acquired 75% of The CW in 2022, a majority stake that has recently grown to 81%. Paramount and Warner Bros. Discovery share the remaining minority portion. With the ownership change has come a concerted shift away from the young-skewing hour-long dramas that once defined the network and toward a range of live sports.…