(1:02)Stephen A.: More pressure on Lamar to reach Super Bowl than Josh Allen (1:02)Open Extended ReactionsOWINGS MILLS, Md. -- The Baltimore Ravens are making the biggest splash in the NFL, compliments of the most decorated Olympian of all time. Michael Phelps agreed Wednesday to teach the Ravens how to swim. Phelps is a Baltimore native and huge Ravens fan who won an Olympic record 23 gold medals in swimming. The Ravens reached out to Phelps on Tuesday, when cornerback Marlon Humphrey posted a video on social media asking the swimming great for his help.